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Custom clock time generator

World's simplest time tool

With this browser-based application, you can create custom clock times that meet the given criteria. You can specify the limits for each of the clock's components (for hours, minutes, and seconds) and also modify the output time composition. You can generate as many unique or repeated timer values as you want in 12hr or 24hr formats. You can also specify a character separating the timers and add/remove zero padding for time components. Created by computer nerds from team Browserling.
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Time Component Ranges
Specify hours range.
Specify minutes range.
Specify seconds range.
Time Count and Composition
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Clock Format, Padding, Delimiter
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Custom clock time generator tool What is a custom clock time generator?
This is a quick online utility for generating custom clock times and timers. You can generate timer values that match a specific pattern. In particular, you can set a range of possible values for every time component: hours, minutes, and seconds. For example, you can set the hours to be between 2 and 3, the minutes from 15 to 18, and the seconds from 40 to 45. In this case, some of the output time values will be 2:16:40, 3:15:45, and 2:18:44. The output time values are generated from the specified ranges in any order, so by clicking on the regenerate button you can get a new set of clock times. To prevent the list from repeating the values, you can deactivate the "Allow Repeated Times" option. Each component has its own range field in the options. You can specify the allowed time component values using a range, a listing of the values individually, or a combination of both. For example, the value "2-4" for hours means that the clock times will have a format "02:mm:ss", "03:mm:ss", or "04:mm:ss". When values are entered as a comma-separated list, such as "2, 5, 10" then only these three possibilities are allowed. A combination of both formats looks like this: "2-4, 10" – if it's the hours' values, then they can be only 2, 3, 4, or 10. If you leave the range field blank or enter the "*" symbol there, then it means that all possible values of the component are allowed. For hours it's from 0 to 23, for minutes it's from 0 to 59, and for seconds it's from 0 to 59. You can also switch from a full digital watch format to a short watch format (via the padding option) and control the content of displayed time values. For example, if you don't need the seconds component, you can generate "hh:mm" timers and if you even don't need the minutes, you can generate only the hours "hh". You can also turn on the 12-hour time generation mode. In this mode, all custom timers will be automatically converted to a 12-hour format with the am/pm suffix. Additionally, you can specify the number of custom timer values you need to generate in the options, as well as specify the character that separates these timers in the output. Timeabulous!
Custom clock time generator examples Click to use
Nine Custom Timers
In this example, we generate nine custom timers in the full-clock format "hh:mm:ss". We specify that all of our generated timers have the hour's component ranging from 0 to 9, the minute's component ranging from 10 to 20, and the second's component from 30 to 40. In the output list, we allow repetitions of timer values and separate them by a newline "\n" character.
04:18:39 00:20:30 04:19:35 03:14:37 05:14:40 04:11:33 03:10:36 02:17:40 09:17:40
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Custom hh:mm Clock Times
In this example, we drop the seconds part and create clock times that contain just hours and minutes. We create eight unique times without padding and limit the hours to the whole daily interval from 0 to 23 and minutes to just two values: 30 or 45.
7:45 17:45 18:30 9:45 1:30 6:30 2:45 12:30
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Random Hours
This example creates a list of clock times from just the hours component. It generates the hours in a 12-hour format (with am/pm indicators) with no duplicate values. The valid hours are specified as a string "3-9, 12, 15-21", which allows the program to use the following values: 3, 4, 5, 6, 7, 8, 9, then 12, and 15, 16, 17, 18, 19, 20, and 21.
3 am; 9 pm; 9 am; 7 pm; 6 pm; 8 pm; 7 am; 8 am; 4 pm; 4 am
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Generate Binary Time
In this example, we're creating a list of binary clock times that only consists of zeros and ones. We're using all time components with full padding (two digits per component) and only allow them to have values of 0, 1, 10, or 11. These clock times are also called magic clock times because they look very neat.
00:01:11 11:10:00 01:01:00 01:00:11 00:10:00 11:00:01
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Generate Ternary Time
This example is similar to the previous one but here we generate ternary clock time. Ternary clock time allows all clock parts to have only digits 0, 1, or 2 and all their combinations.
10:02:22 21:11:02 21:01:22 11:22:02 11:12:11 11:01:20
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Midnight or Midday
This example generates only one timer value each time: either midnight or noon. Each time you click on this example, you'll get either 00:00:00 or 12:00:00. To create such a custom timer, we specified two possible values – 0 or 12 – for the hours and used the constant value 0 for the minutes and seconds.
00:00:00
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
The Quarter Clock
In this example, we generate multiple clock times that fall within the first quarter of the day, which is the hours 0 to 6. What's more, each minute's value falls within the first quarter of the hour, which is 0 to 15, and the same goes for the seconds.
06:01:10 02:07:06 01:10:09 04:01:06 04:08:07 04:07:07 03:07:03 03:00:15 00:08:10 01:01:11
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
The Even Clock
This example creates a clock that only shows even values for the hours, minutes, and seconds. The possible hours' values are 0, 2, 4, 6, …, 20, 22, and the possible minutes' and seconds' values are 0, 2, 4, 6, …, 56, 58.
10:26:38 02:54:36 04:18:24 00:38:38 14:50:28 02:26:06 18:00:32 20:16:22 00:00:18 00:06:00
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Five Five Five
In this example, we create a lucky five clock. It's a magical type of clock that has the number "5" in all time parts. The hours have a "5", the minutes have a "5", and the seconds have a "5".
15:05:25 15:45:05 15:35:45 05:35:35 05:35:25
Required options
These options will be used automatically if you select this example.
Specify hours range.
Specify minutes range.
Specify seconds range.
Number of times to create.
Uncheck to create only unique custom clock times in the list.
Choose the components that will be present in custom clock values.
Use a 12-hour clock format in the generated times.
Use full-time component in hours, minutes, and seconds values.
Use this character to delimit the generated custom times.
Pro tips Master online time tools
You can pass options to this tool using their codes as query arguments and it will automatically compute output. To get the code of an option, just hover over its icon. Here's how to type it in your browser's address bar. Click to try!
https://onlinetimetools.com/generate-custom-clock-times?&hours-range=0-9&minutes-range=10-20&seconds-range=30-40&count=9&repetitions=true&format=hh-mm-ss&use-12hr-time=false&padding=true&separator=%5Cn
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.