🕐 Time Calculators

Convert between Hijri and Gregorian dates

Calculate days, weeks and calendar duration between two dates

Find out how many days until a date

Find out how many days have passed since a past date

Calculate days remaining until a service end date with user-entered leave adjustments

Add or subtract days, weeks, months or years to a date

Calculate exact age, total days lived and days remaining until the next birthday

Calculate which moon phase a date falls in

Estimate sunrise and sunset from date, coordinates and UTC offset

Calculate the ISO 8601 week number of a date

Find out which day of the week a date falls on

Calculate working days between two dates

Find out how many days until Ramadan

Check which day of Ramadan a Gregorian date corresponds to

Calculate the difference between two times

Compare local time, UTC offset and time difference by city and IANA time zone

Calculate which day of the year a date falls on

Convert between seconds, minutes, hours, days, years