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Calendar date formatter

World's simplest time tool

With this browser-based application, you can change the format of any calendar date. You can swap the order of year-month-day components, print the full or short name of the month, and print the day of the week of the given date. You can also add or remove date padding and if the calendar date also has a time component, then change it to/from 12-hour and 24-hour formats. Created by computer nerds from team Browserling.
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New Calendar Date Format
Choose the new date format.
Custom format. Select the custom format mode above and use the abbreviations below for the necessary date components.
• YYYY/YY – year, • MMMM/MMM/MM – month, • dddd/ddd – day of week, • DD – day, • hh – hour, • mm – minute, • ss – second.
Padding and Clock Format
Add zeros to date components so that a date is always fully- filled.
Output the time part of a date in 12-hour format using am/pm indicators.
Calendar date formatter tool What is a calendar date formatter?
This is a quick online utility for formatting one or more calendar dates. For example, if you have a date "2025-01-24 09:00:00", then you can easily change its format to the month/day/year order, i.e. "01-24-2025 09:00:00", spell out the month as a word, i.e. "January 24, 2025 09:00:00", and add the weekday to the date, i.e "Friday, January 24, 2025 09:00:00". To convert multiple dates at once, specify the dates one per line in the input field. At the moment, the input dates have to have the "YYYY-MM-DD hh:mm:ss" format but coming soon, you'll also be able to customize the input date format. You can format the dates by choosing a format from a list of the most commonly used formats in the options, or create your own date format. To create your own date format, switch to the "custom format" mode and enter a date pattern using the abbreviation for individual date components. For example, the custom format "DD_MMM_YYYY_ddd" will turn a date into "24_Jan_2025_Fri". The valid abbreviations are "YYYY" for a full 4-digit year (such as "2022"), "YY" for a shorter 2-digit year (such as "22"), "MMMM" for the full month name (such as "December"), "MMM" for a 3-character month name (such as "Dec"), "MM" for a 2-digit month value (such as "12"), "dddd" for a full weekday name (such as "Monday"), "ddd" for a 3-character weekday name (such as "Mon"), "DD" for the calendar day (such as "5"), "hh" for a clock hour (such as "12"), "mm" for a clock minute (such as "40"), and "ss" for a clock second (such as "59"). Additionally, you can enable or disable the padding option, which uses the zero-padding method that always makes calendar years 4 digits wide (for example, the year "435" is printed as "0435"), and makes the other components 2 digits wide (for example, the calendar day "5" is printed as "05"). Finally, if you have a full-format calendar date that also has the clock time part, you can switch between the 12-hour and 24-hour clock formats by enabling or disabling the "Switch to 12hr Clock" option. Timeabulous!
Calendar date formatter examples Click to use
US Date Format
In this example, we convert a bunch of unformatted calendar dates to the date format used in the United States/North America. The American date style has a unique order of date components that are month/day/year with a slash character between them. We also apply zero-padding so that all dates have the same width.
2030-06-01 00:00:00 2024-11-20 10:00 2041-2-2 3:4:5 2020-4-16
06/01/2030 00:00:00 11/20/2024 10:00:00 02/02/2041 03:04:05 04/16/2020 00:00:00
Required options
These options will be used automatically if you select this example.
Choose the new date format.
Custom format. Select the custom format mode above and use the abbreviations below for the necessary date components.
Add zeros to date components so that a date is always fully- filled.
Output the time part of a date in 12-hour format using am/pm indicators.
Expanded Date Notation
In this example, we load three unpadded short dates to the input and convert them into the expanded date notation. The expanded date notation includes spelled month names, spelled days of the week, and padded time and day components.
1990-8-12 1899-11-4 5:45 1991-2-5 1:15
Sunday, 12 August, 1990 00:00:00 Saturday, 04 November, 1899 05:45:00 Tuesday, 05 February, 1991 01:15:00
Required options
These options will be used automatically if you select this example.
Choose the new date format.
Custom format. Select the custom format mode above and use the abbreviations below for the necessary date components.
Add zeros to date components so that a date is always fully- filled.
Output the time part of a date in 12-hour format using am/pm indicators.
Dates with 12hr Times
This example converts dates with a 24-hour clock time component to dates with a 12-hour clock time component. The output date has the format "YYYY, DD MMM hh:mm:ss", which also displays the short name of the month (the "MMM" component). Additionally, each output date has the before-noon/after-noon (am/pm) indicators added to them.
2001-02-04 18:40:03 2000-10-07 21:00:50 2003-05-03 08:10:00 2002-07-26 09:00:00
2001, 4 Feb 6:40:3 pm 2000, 7 Oct 9:0:50 pm 2003, 3 May 8:10:0 am 2002, 26 Jul 9:0:0 am
Required options
These options will be used automatically if you select this example.
Choose the new date format.
Custom format. Select the custom format mode above and use the abbreviations below for the necessary date components.
Add zeros to date components so that a date is always fully- filled.
Output the time part of a date in 12-hour format using am/pm indicators.
Create a Custom Date Format
In this example, we create an original date format. We select the custom date format mode and enter the pattern "MMMM(MM) ~ DD ~ YYYY" in the options. The notation "MMMM" means the full month name, followed by "MM" in parentheses, which means the ordinal month number, followed by "DD", which means the ordinal day number, and finally "YYYY", which is the year.
2089-06-29 16:00:00 3001-01-03 2095-11-05 10:0:0
June(06) ~ 29 ~ 2089 January(01) ~ 03 ~ 3001 November(11) ~ 05 ~ 2095
Required options
These options will be used automatically if you select this example.
Choose the new date format.
Custom format. Select the custom format mode above and use the abbreviations below for the necessary date components.
Add zeros to date components so that a date is always fully- filled.
Output the time part of a date in 12-hour format using am/pm indicators.
The Year 2050
In this example, we change the format of a regular calendar date in the future (from 2050) to an unusual new format. We display the day, month, and year as ordinal numbers, and also add the full name of the day of the week at the end.
2050-05-05 05:05:05
5th, 5th, 2050th, Thursday
Required options
These options will be used automatically if you select this example.
Choose the new date format.
Custom format. Select the custom format mode above and use the abbreviations below for the necessary date components.
Add zeros to date components so that a date is always fully- filled.
Output the time part of a date in 12-hour format using am/pm indicators.
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-calendar-date?input=2030-06-01%2000%3A00%3A00%0A2024-11-20%2010%3A00%0A2041-2-2%203%3A4%3A5%0A2020-4-16&format=MM%2FDD%2FYYYY%20hh%3Amm%3Ass&custom-format=YYYY_MMM_DD_ddd&padding=true&use-12-hour-clock=false
All time tools
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Quickly visualize your life in weeks or months.
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 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 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.
Coming soon These time tools are on the way
Draw an Analog Clock
Draw an analog clock that shows particular time.
Draw a Digital Clock
Draw a digital clock that shows 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.
Draw a Calendar
Draw a daily, monthly, or yearly calendar.
Draw a Lunar Calendar
Draw a calendar that shows moon phases.
Create an Animated Timer
Draw an animation that counts down (or up) time.
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 Current Year 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 Current Year as a Bar Chart
Visualize the current year as a bar chart.
Draw a Time Arrow
Visualize the given clock time as an arrow.
Visualize Time Intervals
Draw a visualization of multiple time intervals.
Visualize Time Series
Draw a time series chart.
Find Season by a Date
Print the season (winter, spring, summer, autumn) by a date.
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.
Generate Invalid Clock Times
Generate a list of invalid clock times.
Generate Valid Calendar Dates
Generate a list of valid calendar dates.
Generate Invalid Calendar Dates
Generate a list of invalid calendar dates.
Convert English to Crontab
Create a crontab expression from human language.
Convert Crontab to English
Rewrite a crontab entry into human language.
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.
Find Week of the Year
Given a calendar date, find which week of the year it is.
Find Day of the Year
Given a calendar date, find which day of the year it is.
Find Day of the Week
Given a calendar date, find which day of the week it is.
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 Palindromic Times
Print a list of symmetric clock times.
Generate Palindromic Dates
Print a list of symmetric calendar dates.
Generate Equal H:M:S Times
Print a list of clock times with hrs equal mins equal secs.
Generate Equal Y-M-D Dates
Print a list of calendar dates with yr equal mon equal day.
Calculate Clock Hand Angle
Find the angle between hour hand and minute hand.
Set Clock Hand Angle
Print a list of all clock times with a specific hand angle.
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.
Spell Clock Times
Write out clock times in full text format.
Spell Calendar Dates
Write out calendar dates in full text 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.
Create Zalgo Time
Generate date and time that only Zalgo can understand.