Time & Duration Calculators
Hours between times, days between dates, work hours, overtime, age calculator, and time zone converter.
📘 When to use these
Planning schedules, tracking work hours, figuring out how long until an event, or converting between time zones. These calculators handle the tricky edge cases like crossing midnight and day boundaries.
Duration
9h 0m
Total Minutes
540
📐 Step-by-step breakdown:
Start: Friday 17:00
End: Saturday 2:00
Day difference: 1 day(s)
Time difference: (1 × 24 × 60) + (2:00) - (17:00)
= 540 minutes = 9 hours 0 minutes
Quick examples:
Quick examples:
Daily
8.5hrs
Weekly
42.5hrs
Monthly
184.03hrs
📐 Step-by-step breakdown:
Work time = 17:00 - 8:00 = 540 min
Minus 30 min break = 510 min = 8.5 hrs/day
Weekly: 8.5 × 5 = 42.5 hrs
Monthly (avg): 42.5 × 4.33 = 184.03 hrs
Quick examples:
Quick examples:
Quick examples:
Converted Time
19:00
📐 Step-by-step breakdown:
Source time: 12:00 (UTC-7)
Target zone: UTC+0
Offset difference: 0 - (-7) = +7 hours
Converted: 12 + 7 = 19:00
Quick examples: