Months (mo) - Time Conversions

A month is a unit of time. It is a length of time that corresponds to one cycle of the moon's phases. The symbol for month is mo.

Based on the Julian calendar, a year is divided into 12 parts called months. Each month has a unique name which, in order, are: January, February, March, April, May, June, July, August, September, October, November and December. January is the first month of the year and December is the last.

Each month has either 28, 29, 30 or 31 days. February has 28 days except during Leap Years when it has 29 days. Months that have 30 days are: April, June, September and November. Months that have 31 days are: January, March, May, July, August, October and December.

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Unit Summary

This table provides a summary of the Time units within their respective measurement systems.

Unit	Symbol	Description
nanoseconds	ns	1 second = 1,000,000,000 nanoseconds
microseconds	μs	1 second = 1,000,000 microseconds
milliseconds	ms	1 second = 1,000 milliseconds
seconds	s or sec	base unit of Time
kiloseconds	ks	1,000 seconds = 1 kiloseconds
minutes	min	1 minute = 60 seconds
hours	hr	1 hours = 60 minutes
days	d	1 day = 24 hours
weeks	wk	1 week = 7 days
fortnights	4tnite	1 fortnight = 2 weeks or 14 days
months	mo	1 month = 30.4167 days
years	yr or y	1 year = 365 days
decades	decade	1 decade = 10 years

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Months (mo) - Time Conversions

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Unit Summary

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