Time Calculator

   
   

Day Hour Minute Second
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Formula

Picoseconds = 10-12 seconds
Nanosecond = 10-9 seconds
Microsecond = 10-6 seconds
Millisecond = 10-3 seconds
Seconds = base unit
Minutes = 60 seconds
Hours = 60 minutes ( 60 x 60 seconds )
Days = 24 hours ( 24 x 60 x 60 seconds )
Week = 7 days ( 7 x 24 x 60 x 60 seconds )
Month = 28 - 31days ( approximately 4weeks )
Year = 12 months ( 365 days, leap year is an exception with 366 days )
Decade = 10 years ( including 2 leap years in average)
Century = 100 years ( including 25 leap years )
Millennium = 1000 years