Date & Time
Date Difference
Calculate the exact time between two dates.
Exact Duration
Total Days
Weekdays
Weeks
Weekends
Start day
End day
Total months (~)
Total hours
Days Per Month
Jan31
Feb28/29
Mar31
Apr30
May31
Jun30
Jul31
Aug31
Sep30
Oct31
Nov30
Dec31
February has 29 days in leap years (divisible by 4, except centuries unless divisible by 400).
Time Unit Reference
1 minute60 seconds
1 hour60 minutes / 3,600 sec
1 day24 hours / 86,400 sec
1 week7 days
1 month (avg)30.437 days
1 year365 or 366 days
1 decade10 years
1 century100 years
Leap Year Rules
A year is a leap year if:
- Divisible by 4, AND
- NOT divisible by 100, UNLESS
- Also divisible by 400
2000 ✓ (÷400) · 1900 ✗ (÷100 not ÷400) · 2024 ✓ (÷4) · 2100 ✗