Date Calculators
Date calculators: add/subtract days, countdown to date, days between dates, time converters, day of week finder. Free online tools.
Date Calculator
Add to or Subtract Days/Weeks/Months or Years from Today
Weeks and Days Ago From Today
Calculate what day was it Weeks and Days Ago From Today
Pregnancy Weeks to Months
Convert pregnancy weeks to months, find the trimester and the due date
Add or Subtract Days from Date
Add to or Subtract Days/Weeks/Months or Years from a Date
Time Units Converter
Convert Hours/Days/Weeks/Months/Years to Seconds/Minutes/Hours
Hours and Minutes in Minutes
Convert Hours and Minutes to Minutes
Hours and Minutes as a Decimal
Convert Hours and Minutes to Decimal and Fraction
Days Between Two Dates
Calculate the Difference Between Two Dates. How many days, months, and years are between two dates? From date to date calculator
Days until Date
How many days, weeks, months and years until a Date. How Many Days Until My Birthday? Countdown to date
Days until Holiday
How many days, weeks, months and years until a Holiday. Countdown to Holiday
When Is a Holiday
The date and day of the week of any holiday for a chosen year, with its rule and its dates in other years
Seconds converter
Convert Seconds to Minutes/Hours/Days/Months/Years
Timer
Countdown timer with an alarm at the end
What Day of the Week Is It
Find the day of the week of any date. What day of week was or will be a date
How Many Days Are in a Month
How many days are in a specific month. Month calendar
How Many Weeks Are in a Year
Days, weeks, months, hours, minutes and seconds in a named year, leap years included
What Day of the Year Is It
Today's day number, the days and weeks left until the end of the year and the share of it already gone
What Week of the Year Is It
Today's ISO 8601 week number, the US week number, and every week of any year with its dates
Calendar by Month and Year
A month or a whole year laid out by weekday, with ISO week numbers and holidays
Business Days From Today
Counts US federal business days: skips weekends and the 11 federal holidays on their observed dates
How Many Business Days in a Year
US federal business days in any year or month, with observed holidays and working hours
Add or Subtract Time
Time Calculator - Add or Subtract Days, Hours and Minutes from Now
Time Zone of a Place
The time zone of a state, city or country: the UTC offset, the abbreviations and the clock changes
Unix Timestamp to Date Converter
Free Unix Epoch Time Converter for Developers and System Administrators
How old am I Calculator
Find out the age in Years/Months/Days for a given birthdate
What Generation Am I
Your generation by birth year, with its years, its source and the neighbouring generations
Half Birthday Calculator
Find the date exactly six months after a birthday
Time Until Calculator
Count down the hours, minutes and seconds to a specific time
24-Hour Time to 12-Hour Time Converter
Convert given 24-Hour (Military) Time to 12-Hour AM/PM Format
12-Hour Time to 24-Hour Time Converter
Convert given 12-Hour AM/PM Time to 24-Hour (Military) Format
Hours Difference Calculator
Calculate the difference between two times