Add Minutes to a Time

Your details

Enter the start hour in 24-hour format (0 = midnight, 13 = 1 PM).
h
Enter the starting minutes (0-59).
min
Choose whether to add or subtract the time below.
Whole hours to add or subtract. Leave at 0 if you only want to change minutes.
h
Minutes to add or subtract (0-59).
min
Result (24-hour)
9:45

Resulting clock time in HH:MM format

Result (12-hour)9:45 AM
Day changeSame day
Total time added/subtracted+45 min
Result minutes since midnight585min
585 min
  • Midnight
  • 6 AM
  • Noon
  • 6 PM
  • Midnight

Result: 9:45 AM (9:45)

  • Start: 9:00 AM, adding +45 min = 9:45 AM (9:45).
  • The result stays within the same calendar day - no midnight crossing.
  • The result falls in the morning (6 AM to noon).

Next stepTo chain another addition, use the result time as your new start time and repeat.

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