Date & Time
25 free online tools available in this category.
Add Fuzziness to Calendar Dates
Randomize calendar dates within a fuzzy range.
Add Fuzziness to Clock Times
Add random variance to clock times instantly.
Analyze Calendar Date
Get detailed information about any calendar date.
Analyze Clock Time
Break down any clock time into its components.
Calculate Average Calendar Date
Find the average date from a list of calendar dates.
Calculate Average Clock Time
Compute the average of multiple clock times.
Calculate Clock Hand Angle
Calculate the angle between clock hands at any time.
Calculate Seconds Since Midnight
Find how many seconds have elapsed since midnight.
Calculate Seconds Till Midnight
Count the seconds remaining until midnight.
Check Common Year
Verify whether a given year is a common (non-leap) year.
Check Leap Year
Instantly verify if any year is a leap year.
Convert 12-Hour to 24-Hour Time
Convert 12-hour AM/PM time format to 24-hour format.
Convert 24-Hour to 12-Hour Time
Convert 24-hour time format to 12-hour AM/PM format.
Convert Date to Julian Day
Convert any Gregorian calendar date to a Julian Day Number.
Convert Days to Hours
Convert a number of days to total hours.
Convert Gregorian to Julian Date
Convert Gregorian calendar dates to Julian calendar dates.
Convert Hours to Days
Convert a number of hours to days.
Convert Human Time to Unix Time
Convert a human-readable datetime to a Unix timestamp.
Convert Julian to Gregorian Date
Convert a Julian calendar date to Gregorian.
Convert Julian Day to Date
Convert a Julian Day Number to a calendar date.
Convert Military Time to Regular Time
Convert 24-hour military time to standard 12-hour format.
Find Christmas Day
Find what day of the week Christmas falls on for any year.
Find Date by Day of Year
Convert a day-of-year number to a calendar date.
Generate Palindromic Clock Times
List all clock times that read the same forwards and backwards.
Validate Clock Time
Check whether a given clock time string is valid.