Calendar & Date Reference Tools
Live dynamic calendar resources synchronized to your local timezone. View current date formats, ISO week numbers, ordinal days of the year, leap year validators, and relative future date offsets.
Leap Year Calculator
Check if any year is a leap year under the Gregorian calendar rules. Discover upcoming leap years and historical leap year explanations.
Month Calculator
Calculate the total number of calendar days, weekend days, working days, and standard work hours in any month of any year.
Today's Date
Live display of today's date in multiple international formats (ISO 8601, US, UK), current week number, and days elapsed this year.
Today's Day of the Year
Find out what day of the year today is (ordinal day 1 to 365/366) and the total percentage of the year completed.
Current Week Number
Find out the current ISO 8601 week number (Week 1 to 52/53) and total weeks remaining in the year.
Days Left in the Year
Discover exactly how many calendar days and working days remain in the current year until December 31st.
Weeks Left in the Year
Calculate how many full weeks and fractional weeks remain in the year for Q4 planning and sprint scheduling.
Date 6 Months From Today
Find out what exact calendar date and day of the week it will be exactly 6 months from today.
Date 12 Months From Today
Find out what calendar date and weekday it will be exactly 12 months (1 full calendar year) from today.
Date X Weeks From Today Calculator
Calculate what date it will be 1 to 52 weeks from today with interactive week slider.
Date 7 Days From Today (1 Week)
Find what date and day of the week it will be 7 days from today. Updated in real time for your local time zone.
Date 14 Days From Today (2 Weeks)
Find what date and day of the week it will be 14 days from today. Updated in real time for your local time zone.
Date 21 Days From Today (3 Weeks)
Find what date and day of the week it will be 21 days from today. Updated in real time for your local time zone.
Date 30 Days From Today
Find what date and day of the week it will be 30 days from today. Updated in real time for your local time zone.
Date 45 Days From Today
Find what date and day of the week it will be 45 days from today. Updated in real time for your local time zone.
Date 60 Days From Today
Find what date and day of the week it will be 60 days from today. Updated in real time for your local time zone.
Date 90 Days From Today
Find what date and day of the week it will be 90 days from today. Updated in real time for your local time zone.
Date 120 Days From Today
Find what date and day of the week it will be 120 days from today. Updated in real time for your local time zone.