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Hours
An hour is a unit of time equal to 60 minutes, or one twenty-fourth of a day.
Minutes
A minute is a unit of time equal to 60 seconds, or one-sixtieth of an hour.
Seconds
A second is the SI base unit of time, the smallest commonly used unit in everyday timekeeping.
Days
A day is a unit of time equal to 24 hours, based on one full rotation of the Earth on its axis.
Weeks
A week is a unit of time equal to 7 days, widely used for scheduling and calendars.
Months
A month is a unit of time roughly matching the Moon's orbital period, averaging about 30.4 days in modern calendars.
Years
A year is a unit of time based on Earth's orbit around the Sun, approximately 365.25 days.