Date and Time Related Conversions/Calculators

- TimeZone Find out what time it is in different areas around the world.

- 12 hour to 24 hour Convert to and from the 12 hour time format and the 24 hour military time format.

- Basic Time Clock Calculate how many hours you work each week using this simple online calculator.

- Old Enough Determine what a persons birthday must be in order to be a certain age today.

- Lead Time Add a certain amount of days, weeks, months, and years to a date, and calculate the new date.

- Day Number, Week Number, Day of Week Calculate the Day number (day of the year), week number, and the day of the week for a given date.

- Date/Time Difference Calculate the number of days, hours, minutes, and seconds between two dates and times.

- Date Difference Calculate the number of days between two dates.

- Julian Date Convert calendar date and time to Julian date and vice versa.

- Calendar Creator Choose a year and a month and the calendar will be displayed.

- Unix Time Convert Unix time into a readable date.

- Time Conversion Convert between Seconds, Minutes, Hours, Days, Weeks, Months, Years, More...

- Time Calculator Add or Subtract hours and minutes.

- Advanced Time Calculator Like the above, but also allows you to convert many minutes or seconds into the HH:MM:SS format. It also may be easier to use.

- Chinese Zodiac Determine which Chinese Zodiac symbol you were born under.
- Retire Date Determine how many day until you can retire.

- Group Work Calculate how long for two people to complete a task
- Lap Time Calculates the average lap time required to finish a race in the time you enter
- Leap Year Determine if a year is a leap year.
- Radiation How much radioactive material remains after a given time.
- Your Age How old you are down to the second, how many seconds old you are, and how long until your next birthday
- Day Born Find out what day of the week you were born
- Running Calculate your time, distance covered, or pace.
- Dog Years How old are you in Dog Years?