Date calculators
Find the right tool for your next date, deadline or countdown.
Days Between Dates
Compare two dates with calendar days, complete weeks and weekday counts. Choose whether to include the end date.
Date Difference Calculator
Compare two dates with calendar days, complete weeks and weekday counts. Choose whether to include the end date.
Weeks Between Dates
Count complete weeks and remaining calendar days between a start date and an end date.
Months Between Dates
Count complete calendar months between two dates using month-end anniversary clamping.
Years Between Dates
Find completed calendar years and the remaining months and days between two dates.
Date Calculator
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
Add Days to a Date
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
Subtract Days from a Date
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
Date After Days
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
Date Before Days
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
Days From Today
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
Days Ago
Move forward or backward by calendar days, weeks, months or years. Month-end dates clamp to the last valid day.
7 Days From Today
The date 7 calendar days after today. Updates at midnight in your selected time zone.
7 Days Ago
The date 7 calendar days before today. Updates at midnight in your selected time zone.
10 Days From Today
The date 10 calendar days after today. Updates at midnight in your selected time zone.
10 Days Ago
The date 10 calendar days before today. Updates at midnight in your selected time zone.
14 Days From Today
The date 14 calendar days after today. Updates at midnight in your selected time zone.
14 Days Ago
The date 14 calendar days before today. Updates at midnight in your selected time zone.
21 Days From Today
The date 21 calendar days after today. Updates at midnight in your selected time zone.
21 Days Ago
The date 21 calendar days before today. Updates at midnight in your selected time zone.
30 Days From Today
The date 30 calendar days after today. Updates at midnight in your selected time zone.
30 Days Ago
The date 30 calendar days before today. Updates at midnight in your selected time zone.
45 Days From Today
The date 45 calendar days after today. Updates at midnight in your selected time zone.
45 Days Ago
The date 45 calendar days before today. Updates at midnight in your selected time zone.
60 Days From Today
The date 60 calendar days after today. Updates at midnight in your selected time zone.
60 Days Ago
The date 60 calendar days before today. Updates at midnight in your selected time zone.
90 Days From Today
The date 90 calendar days after today. Updates at midnight in your selected time zone.
90 Days Ago
The date 90 calendar days before today. Updates at midnight in your selected time zone.
100 Days From Today
The date 100 calendar days after today. Updates at midnight in your selected time zone.
100 Days Ago
The date 100 calendar days before today. Updates at midnight in your selected time zone.
120 Days From Today
The date 120 calendar days after today. Updates at midnight in your selected time zone.
120 Days Ago
The date 120 calendar days before today. Updates at midnight in your selected time zone.
180 Days From Today
The date 180 calendar days after today. Updates at midnight in your selected time zone.
180 Days Ago
The date 180 calendar days before today. Updates at midnight in your selected time zone.
365 Days From Today
The date 365 calendar days after today. Updates at midnight in your selected time zone.
365 Days Ago
The date 365 calendar days before today. Updates at midnight in your selected time zone.
Date Midpoint Calculator
Find the halfway point between two calendar dates, including a midday midpoint for odd-length intervals.
Date Range Overlap Calculator
Compare two date ranges and see their shared dates, overlap length and endpoint convention.
Recurring Date Generator
Build a daily, weekly, monthly or yearly schedule directly from its original date anchor.
Date Range List Generator
List the dates in a range and optionally keep only Monday-to-Friday dates.
Keep exploring
View the tool libraryDays Between Dates
Compare two dates with calendar days, complete weeks and weekday counts. Choose whether to include the end date.
Business Days Calculator
Count working days using your weekend pattern and optional excluded dates. Public holidays are excluded only when entered.
Day of the Week
Inspect a Gregorian date, leap-year rules, ISO week numbers and a printable month calendar.
Time Zone Converter
Convert an exact UTC instant to another IANA time zone.
