Date & Time Calculators

Age is evaluated from Date of Birth and Age On Date. The calculation reports Years, Months and Days.

Time Zone Converter is evaluated from Time, From Time Zone and To Time Zone. The calculation reports Converted Time, Hour Offset and UTC Equivalent.

Birthday Countdown is evaluated from Your Birthday. The calculation reports Days Until Next Birthday, Weeks Until Birthday and Day of Week.

Date Difference is evaluated from Start Date and End Date. The calculation reports Total Days, Total Weeks and Total Months.

Time Addition/Subtraction is evaluated from Starting Time, Hours to Add/Subtract and Minutes to Add/Subtract. The calculation reports Result Time, Result Time and Total Time Added.

Zodiac Sign is evaluated from Date of Birth. The calculation reports Zodiac Sign, Date Range and Element.

Chinese Zodiac is evaluated from Birth Year. The calculation reports Chinese Zodiac Animal, Element and Lucky Numbers.

Days Between Dates is evaluated from Start Date, End Date and Include End Date in Count. The calculation reports Total Days, Complete Weeks and Remaining Days.

Time Duration is evaluated from Start Time, End Time and Break. The calculation reports Hours, Minutes and Seconds.

Date Add/Subtract is evaluated from Starting Date, Amount to Add/Subtract and Unit. The calculation reports Result Date, Days Difference and Day of Week.

Decimal Hours ↔ HH:MM:SS Converter is evaluated from Decimal Hours, Hours and Minutes. The calculation reports Decimal Hours, Hours and Minutes.

Military Time Converter is evaluated from Standard Time and Military Time. The calculation reports Standard, Military Time and Spoken.

Week Number is evaluated from Date. The calculation reports Week Number, Week Starts and Week Ends.

Leap Year is evaluated from Year. The calculation reports Is Leap Year?, Days in Year and Next Leap Year.

Work Hours is evaluated from Monday Hours, Tuesday Hours and Wednesday Hours. The calculation reports Total Hours Worked, Regular Hours and Overtime Hours.

Days Until Event is evaluated from Event Date and Event Name. The calculation reports Days Until Event, Weeks Until Event and Months Until Event.

Business Days is evaluated from Start Date and End Date. The calculation reports Business Days, Total Calendar Days and Weekend Days.

Unix Timestamp Converter is evaluated from Unix Timestamp. The calculation reports UTC Date & Time, Local Date and Days Since Unix Epoch.