Dates & time
Time Zone Converter
Convert a date and time between two time zones.
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Resources for “date”
Discover 17 resources related to date.
Tools
Dates & time
Work Hours Calculator
Calculate worked hours after subtracting breaks.
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Date Format Converter
Convert dates between ISO, day-first and month-first formats.
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Date Range Generator
Generate a list of dates between two endpoints.
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Meeting Time Planner
Find overlapping meeting times across two time zones.
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Business Hours Calculator
Calculate business hours between two date-times.
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Day of Week Calculator
Find the weekday for any date.
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Relative Time Calculator
Express a difference as “3 days ago” or “in 2 hours”.
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Day of Year Calculator
Find a date’s ordinal day within the year.
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Recurring Dates Generator
Generate a daily, weekly, monthly or yearly series.
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Beta
Add or Subtract Time from a Date
Add or subtract days, weeks, months or years from a date.
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Beta
Business Days Calculator
Count business days between two dates, excluding Saturdays and Sundays.
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Beta
Days Until a Date Calculator
Calculate how many days remain until a date, or how many days have passed.
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Beta
ISO Week Number Calculator
Find the ISO week number of a date and the start and end dates of that week.
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Age calculator
Calculate an exact age from a date of birth and a reference date.
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Timestamp converter
Convert a Unix timestamp to a readable date or turn a date into a Unix timestamp.
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GuideBest practicesBeginner
Date and time calculations: a practical guide
Date differences, durations, business days, ISO weeks, recurrences and formats: choose the right date and time calculation.
7 September 20262 minRead