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Date Difference Calculator
Calculate the time between two dates in multiple units
Select Dates
Start Date
Date
Hour
Minute
End Date
Date
Hour
Minute
Quick Date Selection
Today
Yesterday
Last 7 Days
Last 30 Days
Include time in calculations (hours and minutes)
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Calculate Difference
Date Difference
Total Difference
0 days
0 hours, 0 minutes
Detailed Breakdown
Years:
0
Months:
0
Weeks:
0
Days:
0
Hours:
0
Minutes:
0
Seconds:
0
Business Days
0 days
Excluding weekends
Age Calculation
0 years
0 months, 0 days
Special Date Calculations
Moon Phases
- cycles
Work Weeks
- weeks
Around the World
- rotations
Heartbeats
- beats
Time Until Upcoming Events
New Year
-
Next Birthday
-
Summer Solstice
-
Christmas
-
Interesting Date Facts
Did You Know?
• There are approximately 365.2425 days in a year
• February is the shortest month with 28 or 29 days
• The concept of 7-day weeks dates back to ancient Babylon
• The Gregorian calendar was introduced in 1582
Time Measurement
• 1 minute = 60 seconds
• 1 hour = 3,600 seconds
• 1 day = 86,400 seconds
• 1 week = 604,800 seconds
• 1 year = 31,536,000 seconds (approx.)