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Clock time formatter
World's simplest time tool
With this browser-based application, you can change the format of any clock time. You can turn all clock formats into nice 12-h or 24-h time formats, add/remove padding to/from hours, minutes, and seconds values, convert a clock time to the military time, spell out a clock time, convert time to seconds, and fix weird and chaotic time formats. Created by computer nerds from team Browserling.
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What is a clock time formatter?
learn more about this tool
This is a quick online utility for formatting a clock time. For example, if you have a bunch of clock times in 12-hour format and you need them to be in 24-hour format, then you can almost instantly perform this time formatting operation. Or, if you have a short time format (such as "1:2:5") and you need to get fully-padded time (such as "01:02:05"), then this conversion also can be done very quickly. To change the time format, paste one or more clock times into the input field of this utility (put one clock time per line) and then simply select the new output clock format in the options. As soon as you do that, you'll get all the input values converted to the new format. Optionally, you can also enable/disable hour, minute, second padding, which makes sure each time component uses two digits (instead of "3" you will get "03", etc). In addition to 12-h, 24-h, and short and fully-padded time formats, you can also get a clock time written in words (for example, "2 hours and 3 minutes"), a military time (for example, "0203"), and time in seconds format (for example, "7380" seconds). If none of the formats suit you, you can create your own time style by switching to the "custom" format mode. When this mode is active, you can specify a time pattern in the option using the abbreviations "hh" for hours, "mm" for minutes, and "ss" for seconds. For example, the pattern "hhh~mmmin~sssec" will turn the input time into this format: "1h~2min~3sec". In addition to choosing the clock format, you can also work with excessive hour, minute, and second values. For example, a time "28:00:00" is called an excessive time as the hours value exceeds the regular clock maximum value of 24 hours. When working with such clock values, you can convert them to regular time using several options. If you select "regular time" then "28:00:00" will be formatted as "04:00:00" in the output (because 28 hours on a clock is the same as 24 hours plus another 4 hours). If you select "time with a day count", then it will print "04:00:00 (+1)". Here the value in parentheses indicates the number of days elapsed. If you select "single day time", then you will get "00:00:00" in the output as formatting stops at end of the day (midnight). Finally, the last option is called "non-regular time" and it will not try to normalize the hours, minutes, hours values, and it will print the same "28:00:00" in the output. Timeabulous!
Clock time formatter examples
Click to usePrettify Clock Times
In this example, we prettify a bunch of clock times. We select the 24-hour format "hh:mm:ss" and activate the padding option so that each time component – hours, minutes, and seconds – had full two digits. We also select the regular clock formatting strategy for excessive clock times, so that all times in the output are limited to 24 hours.
2
03:5
14:1:1
33:0:8
7:7:7
02:00:00
03:05:00
14:01:01
09:00:08
07:07:07
Required options
Set the new clock time format.
Choose the format for clock
values that exceed 23:59:59.
Set a custom time format.
• Use "hh" for hours.
• Use "mm" for minutes.
• Use "ss" for seconds.
Use zero-padding so that
hours, minutes, and seconds
are always two digits long.
Convert Time to Military Time
In this example, we load several times in different formats and turn them all into military time. The military time format consists only of merged and zero-padded hours and minutes "HHMM". The seconds part in military time is dropped.
16:25
04:20:45
10pm
5:5am
1625
0420
2200
0505
Required options
Set the new clock time format.
Choose the format for clock
values that exceed 23:59:59.
Set a custom time format.
• Use "hh" for hours.
• Use "mm" for minutes.
• Use "ss" for seconds.
Use zero-padding so that
hours, minutes, and seconds
are always two digits long.
Turn Excess Time to Regular Time
In this example, we convert times with excessive hours, minutes, and seconds values to a regular clock time. The maximum value for hours is 23hr, for minutes it's 59m, and for seconds it's 59s. We display the excess time as elapsed days in parentheses (every full day is 24 hours).
32:483:242
48:5162:2818760
04:07:02 pm (+1)
05:01:20 am (+38)
Required options
Set the new clock time format.
Choose the format for clock
values that exceed 23:59:59.
Set a custom time format.
• Use "hh" for hours.
• Use "mm" for minutes.
• Use "ss" for seconds.
Use zero-padding so that
hours, minutes, and seconds
are always two digits long.
Spell Clock Times
In this example, we convert five different clock times into spelled-English format. We turn off the padding option and also allow the time to go beyond 24 hours (non-regular time formatting strategy is active).
14:16
8:10:50
46:30
0:0:0 am
01:01:01 pm
14 hours and 16 minutes
8 hours, 10 minutes, 50 seconds
46 hours and 30 minutes
0 seconds
13 hours, 1 minute, 1 second
Required options
Set the new clock time format.
Choose the format for clock
values that exceed 23:59:59.
Set a custom time format.
• Use "hh" for hours.
• Use "mm" for minutes.
• Use "ss" for seconds.
Use zero-padding so that
hours, minutes, and seconds
are always two digits long.
Create a Custom Time Format
In this example, we create a custom clock time format. We output only the hours and minutes and surround them by vertical bars. As "ss" isn't used in the format, the seconds are discarded and not used in the output.
12:12:12
09:35:07
10:8:8
| hr: 12 | min: 12 |
| hr: 09 | min: 35 |
| hr: 10 | min: 08 |
Required options
Set the new clock time format.
Choose the format for clock
values that exceed 23:59:59.
Set a custom time format.
• Use "hh" for hours.
• Use "mm" for minutes.
• Use "ss" for seconds.
Use zero-padding so that
hours, minutes, and seconds
are always two digits long.
Pro tips
Master online time tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinetimetools.com/format-clock-time?input=2%0A03%3A5%0A14%3A1%3A1%0A33%3A0%3A8%0A7%3A7%3A7&format=hh-mm-ss&custom-format=hh%3Amm%3Ass&padding=true&time-overflow=strict-time
All time tools
Quickly visualize your life in weeks or months.
Quickly draw an analog clock that shows a particular time.
Quickly draw a digital clock that shows a particular time.
Quickly draw a monthly calendar for any month of the year.
Quickly print a list of neat-looking clock times (such as 10:11:12).
Quickly print a list of neat-looking calendar dates (such as 2055-05-05).
Quickly print a list of symmetric clock times (such as 05:22:50).
Quickly print a list of symmetric dates (such as 2020-02-02).
Quickly convert clock time in H:M:S format to seconds.
Quickly convert seconds to clock time in H:M:S format.
Quickly convert time in 24 hour format to 12 hour format.
Quickly convert time in 12 hour format to 24 hour format.
Quickly find how many seconds have passed since midnight.
Quickly find how many seconds are left till midnight.
Quickly find the difference between two clock times.
Quickly find the difference between two calendar dates.
Quickly find the age difference between two or more people.
Quickly add hours, minutes, and seconds to the given time.
Quickly subtract hours, minutes, and seconds from the given time.
Quickly add days, months, and years to the given date.
Quickly subtract days, months, and years to from the given date.
Quickly change the current time format to any new format.
Quickly change the current date format to any new format.
Quickly round the given clock time up or down.
Quickly round the given calendar date up or down.
Quickly drop seconds and minutes from a clock time.
Quickly drop days and months from a calendar date.
Quickly sort clock times in ascending or descending order.
Quickly sort calendar dates in ascending or descending order.
Quickly sort time intervals by their start time or length.
Quickly sort date intervals by their start date or length.
Quickly check if the given clock time is valid.
Quickly check if the given calendar date is valid.
Quickly find how many hours are in the given days.
Quickly find how many days are in the given hours.
Quickly find the astrological sign by the birthday or any date.
Quickly print a list of the dates of all astrological signs.
Quickly find the average value of multiple clock times.
Quickly find the average value of multiple calendar dates.
Quickly generate a list of random clock times.
Quickly generate a list of random calendar dates.
Quickly create a list of clock times that match your criteria.
Quickly generate a list of calendar dates that match your criteria.
Quickly split the given time period into multiple intervals.
Quickly split the given date period into multiple intervals.
Quickly generate increasing or decreasing clock times.
Quickly generate increasing or decreasing calendar dates.
Quickly print a list of all leap years.
Quickly print a list of all common years.
Quickly test if the given year is a leap year.
Quickly test if the given year is a common year.
Quickly find how old a cat would be if it was a human.
Quickly find how old a human would be if he/she was a cat.
Quickly find how old a dog would be if it was a human.
Quickly find how old a human would be if it was a dog.
Quickly convert a modern Gregorian date to a Julian date.
Quickly convert an ancient Julian date to a Gregorian date.
Quickly calculate the Julian day number for any calendar date.
Quickly convert the Julian day to a regular calendar date.
Quickly print a list of all Easter dates for all years.
Quickly convert a UNIX Epoch time to a human-readable time.
Quickly convert human-readable time to a UNIX Epoch time.
Quickly generate increasing or decreasing UNIX timestamps.
Quickly generate one or more random UNIX Epoch times.
Quickly convert a HH:MM:SS clock to a military HHMM clock.
Quickly convert a military clock HHMM to a HH:MM:SS clock.
Quickly write a clock time in text format (as English text).
Quickly write a calendar date in text format (as English text).
Quickly add slight perturbations to the given clock times.
Quickly add slight perturbations to the given calendar dates.
Quickly find what day of the week the given calendar date falls on.
Quickly find what day of the year the given calendar date falls on.
Quickly find what week of the year the given calendar date falls on.
Quickly calculate the calendar date from a day number of a year.
Quickly find the angle between the hour hand and minute hand.
Quickly print a list of all clock times with a specific hand angle.
Quickly print all dates when a specific day happens.
Quickly find all Fridays that fall on the 13th day of the month.
Quickly create a list of all Independence Day dates.
Quickly create a list of all Christmas Day dates.
Quickly create a list of all New Year dates.
Quickly create a list of all Thanksgiving dates.
Quickly show useful information about a particular clock time.
Quickly show useful information about a particular calendar date.
Quickly draw a timeline of multiple time intervals.
Quickly draw a visualization of multiple date intervals.
Quickly find the time a clock shows if you look at it in a mirror.
Quickly convert time and date from one timezone to another.
Quickly convert time and date from one country to another.
Quickly print the season (winter, spring, summer, autumn) by date.
Coming soon
These time tools are on the way
Draw a Binary Clock
Draw a binary clock that shows time in base two.
Draw a Salvador Dali Clock
Draw a clock in Salvador Dali style showing custom time.
Draw a Weird Clock
Draw a weird-looking clock that shows a particular time.
Animate an Analog Clock
Create a GIF animation of an analog clock.
Animate a Digital Clock
Create a GIF animation of a digital clock.
Animate a Broken Clock
Create a GIF animation of a clock that's broken.
Draw a Daily Calendar
Draw a daily calendar for a single day.
Draw a Weekly Calendar
Draw a weekly calendar for any week of the month.
Draw a Yearly Calendar
Draw a yearly calendar for the entire year.
Draw a Lunar Calendar
Draw a calendar that shows moon phases.
Draw a Solar Calendar
Draw a calendar that shows the seasons and Sun's position.
Create an Animated Timer
Draw an animation that counts down (or up) time.
Animate an Hourglass
Create a GIF animation of a sand clock.
Draw an Infinite Spiral Clock
Animate a timeless clock that goes in an infinite spiral.
Draw Time as a Pie Chart
Visualize the given clock time as a pie chart.
Draw Date as a Pie Chart
Visualize the current year as a pie chart.
Draw Time as a Bar Chart
Visualize the given clock time as a bar chart.
Draw Date as a Bar Chart
Visualize the current year as a bar chart.
Draw Time as a Pixel Wall
Visualize the given clock time as a pixel wall (1px = 1sec).
Draw Date as a Pixel Wall
Visualize the current year as a pixel wall (1px = 1day).
Draw Time as Bubbles
Visualize the given clock time as bubbles.
Draw Date as Bubbles
Visualize the current year as bubbles.
Draw a Time Arrow
Visualize the given clock time as an arrow.
Convert Time to Percentage
Quickly calculate time passed and left in the current day as pct.
Convert Date to Percentage
Quickly calculate time passed and left in the current year as pct.
Convert Time to Binary Time
Convert regular clock time to binary clock time (bintime).
Convert Date to Binary Date
Quickly regular calendar date to binary date (bindate).
Convert Time to Decimal Time
Convert regular clock time to decimal clock time (dectime).
Convert Date to Decimal Date
Quickly regular calendar date to decimal date (decdate).
Convert Time to Hex Time
Convert regular clock time to hexadecimal time (hextime).
Convert Date to Hex Date
Quickly regular calendar date to hexadecimal date (hexdate).
Animate Moon's Phases
Create a GIF animation of the Moon for a particular month.
Animate Moon's Orbit
Create an animation of the Moon orbiting the Earth.
Animate Mercury's Orbit
Create a 88 day animation of the Mercury orbiting the Sun.
Animate Venus's Orbit
Create a 225 day animation of the Venus orbiting the Sun.
Animate Earth's Orbit
Create a 365 day animation of the Earth orbiting the Sun.
Animate Mars's Orbit
Create a 687 day animation of the Mars orbiting the Sun.
Animate Jupiter's Orbit
Create a 4,330 day animation of the Jupiter orbiting the Sun.
Animate Saturn's Orbit
Create a 10,756 day animation of the Saturn orbiting the Sun.
Animate Uranus's Orbit
Create a 30,687 day animation of the Uranus orbiting the Sun.
Animate Neptune's Orbit
Create a 60,190 day animation of the Neptune orbiting the Sun.
Animate Pluto's Orbit
Create a 90,560 day animation of the Pluto orbiting the Sun.
Animate Solar System
Create an animation of all planets in the Solar System.
Animate Mars's Moons
Create an animation of Phobos and Deimos orbiting Mars.
Animate Jupiter's Moons
Animate Io, Europa, Ganymede, Callisto orbiting Jupiter.
Animate Saturn's Moons
Animate Titan, Rhea, Iapetus, Enceladus orbiting Saturn.
Animate Uranus's Moons
Animate Titania, Oberon, Umbriel, Ariel, Miranda orbiting Uranus.
Animate Neptune's Moons
Animate Triton, Nereid, and Proteus orbiting Neptune.
Animate Pluto's Moons
Animate Charon, Nix, Hydra, Kerberos, Styx orbiting Pluto.
Find When Planets Align
Find dates when two or more planets align in a straight line.
Find Dates of Solar Eclipse
Find dates when the solar eclipse happens.
Find Dates of Lunar Eclipse
Find dates when the lunar eclipse happens.
Create a Time Matrix
Represent a clock time as a matrix.
Create a Date Matrix
Represent a calendar date as a matrix.
Create a Time Vector
Represent a clock time as a vector.
Create a Date Vector
Represent a calendar date as a vector.
Visualize Time Series
Draw a time series chart.
Find Overlapping Times
Given a bunch of time intervals, find overlapping intervals.
Generate Overlapping Times
Generate a bunch of overlapping time intervals.
Generate Non-overlapping Times
Generate a bunch of non-overlapping time intervals.
Generate Random Time Intervals
Generate random clock time intervals.
Find Overlapping Dates
Given a bunch of date intervals, find overlapping intervals.
Generate Overlapping Dates
Generate a bunch of overlapping date intervals.
Generate Non-overlapping Dates
Generate a bunch of non-overlapping date intervals.
Generate Random Date Intervals
Generate random calendar date intervals.
Swap Clock Hands
Swap a clock's hour hand with minute hand.
Reverse Clock Time
Find the reverse of the given clock time.
Invert Clock Time
Find the inverse of the given clock time.
Shift Clock Time
Shift the given clock time by any time interval.
Change Clock Scale
Change the clock scale from 24 hours to any other hours.
Generate Valid Clock Times
Generate a list of valid clock times (for testing).
Generate Invalid Clock Times
Generate a list of invalid clock times (for testing).
Generate Valid Calendar Dates
Generate a list of valid calendar dates (for testing).
Generate Invalid Calendar Dates
Generate a list of invalid calendar dates (for testing).
Add Errors to Clock Times
Create errors in the given clock times (for testing).
Add Errors to Calendar Dates
Create errors in the given calendar dates (for testing).
Convert Date to Seconds
Convert a calendar date to seconds.
Convert Seconds to Date
Convert seconds to a calendar date.
Convert English to Crontab
Create a crontab expression from human language.
Convert Crontab to English
Rewrite a crontab entry into human language.
Find Week of the Month
Quickly find the week of the month of a calendar date.
Find Days Since the Start of Year
Quickly find how many days have passed since start of the year.
Find Days Till the End of Year
Quickly find how many days are left till the end of the year.
Find Days Till a Specific Date
Quickly find how many days are left till a specific date.
Convert Seconds To Minutes
Find how many minutes are in the given seconds.
Convert Seconds To Hours
Find how many hours are in the given seconds.
Convert Seconds to Days
Find how many days are in the given seconds.
Convert Seconds to Weeks
Find how many weeks are in the given seconds.
Convert Seconds to Months
Find how many months are in the given seconds.
Convert Seconds to Years
Find how many years are in the given seconds.
Convert Minutes to Seconds
Find how many seconds are in the given minutes.
Convert Minutes To Hours
Find how many hours are in the given minutes.
Convert Minutes to Days
Find how many days are in the given minutes.
Convert Minutes to Weeks
Find how many weeks are in the given minutes.
Convert Minutes to Months
Find how many months are in the given minutes.
Convert Minutes to Years
Find how many years are in the given minutes.
Convert Hours To Seconds
Find how many seconds are in the given hours.
Convert Hours to Minutes
Find how many minutes are in the given hours.
Convert Hours to Weeks
Find how many weeks are in the given hours.
Convert Hours to Months
Find how many months are in the given hours.
Convert Hours to Years
Find how many years are in the given hours.
Convert Days to Seconds
Find how many seconds are in the given days.
Convert Days to Minutes
Find how many minutes are in the given days.
Convert Days to Weeks
Find how many weeks are in the given days.
Convert Days to Months
Find how many months are in the given days.
Convert Days to Years
Find how many years are in the given days.
Convert Weeks to Seconds
Find how many seconds are in the given weeks.
Convert Weeks To Minutes
Find how many minutes are in the given weeks.
Convert Weeks To Hours
Find how many hours are in the given weeks.
Convert Weeks to Days
Find how many days are in the given weeks.
Convert Weeks to Months
Find how many months are in the given weeks.
Convert Weeks to Years
Find how many years are in the given weeks.
Convert Months to Seconds
Find how many seconds are in the given months.
Convert Months To Minutes
Find how many minutes are in the given months.
Convert Months To Hours
Find how many hours are in the given months.
Convert Months to Days
Find how many days are in the given months.
Convert Months to Weeks
Find how many weeks are in the given months.
Convert Months to Years
Find how many years are in the given months.
Convert Years to Seconds
Find how many seconds are in the given years.
Convert Years To Minutes
Find how many minutes are in the given years.
Convert Years To Hours
Find how many hours are in the given years.
Convert Years to Days
Find how many days are in the given years.
Convert Years to Weeks
Find how many weeks are in the given years.
Convert Years to Months
Find how many months are in the given years.
Convert a Bird's Age to Human Years
Find how old a human would be if he/she was a bird.
Convert a Human's Age to Bird Years
Find how old a bird would be if it was a human.
Convert Earth Time to Mars Time
Convert clock time on Earth to clock time on Mars.
Convert Mars Time to Earth Time
Convert clock time on Mars to clock time on Earth.
Generate Equal H:M:S Times
Print a list of clock times with hours equal mins equal secs.
Generate Equal Y-M-D Dates
Print a list of calendar dates with years equal months equal days.
Set Straight Clock Hands
Print a list of all clock times when hands are in a straight line.
Normalize Clock Times
Given clock times in various formats, convert them to one format.
Normalize Calendar Dates
Given calendar dates in various formats, make them the same format.
Rotate Clock Times
Cyclically shift HH, MM, SS time parts to the left or right.
Rotate Calendar Dates
Cyclically shift YYYY, MM, DD date parts to the left or right.
Freeform Time Calculator
Perform freeform clock time arithmetics.
Freeform Date Calculator
Perform freeform calendar date arithmetics.
Calculate Clock Sum
Find the sum of hours plus minutes plus seconds.
Calculate Calendar Sum
Find the sum of years plus months plus days.
Find Clock Sum
Find clock hand position so that hr + min + sec equals your value.
Find Calendar Sum
Find calendar date so that year + months + day equals your value.
Generate Clock Emojis
Print all clock icons from 00:00 to 24:00.
Create Zalgo Time
Generate date and time that only Zalgo can understand.
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@browserling
We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling our mission is to make developers' lives easier, so we created this collection of online time and date tools. Unlike many other tools, we made our tools free, without ads, and with the simplest possible user interface. Our online time and date tools are actually powered by our programming tools that we created over the last couple of years. Check them out!
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All conversions and calculations are done in your browser using JavaScript. We don't send a single bit about your input data to our servers. There is no server-side processing at all. We use Google Analytics and StatCounter for site usage analytics. Your IP address is saved on our web server, but it's not associated with any personally identifiable information. We don't use cookies and don't store session information in cookies. We use your browser's local storage to save tools' input. It stays on your computer.
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By using Online Time Tools you agree to our Terms of Service. TLDR: You don't need an account to use our tools. All tools are free of charge and you can use them as much as you want. You can't do illegal or shady things with our tools. We may block your access to tools, if we find out you're doing something bad. We're not liable for your actions and we offer no warranty. We may revise our terms at any time.