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To learn about weeks and years conversions, see our article how many weeks are in a year? Alternatively, you may wish to calculate the number of days between two dates.
Some modern and vintage watches and clocks represent the hours of the day using Roman numerals. If you need help translating these you can use our roman numerals translation tool.
Conversion units for the Time Converter
Attoseconds (as), Days (d), Femtoseconds (fs), Hours (h), Microseconds (µs), Milliseconds (ms), Minutes (min), Months, Nanoseconds (ns), Picoseconds (ps), Seconds (s), Shakes, Weeks, Years (a),
Popular individual converters:
Hours and seconds, minutes and hours, minutes and days
To help with productivity, we now set a cookie to store the last units you have converted from and to. This means that when you re-visit this time converter, the units will automatically be selected for you.
From abacus to iPhones, learn how calculators developed over time.