### Convert Hours to:

- Hours to
**Callippic Cycles**- 1 Callippic cycles is exactly equal to 441 hollow months (29 days) plus 499 full months (30 days). This is 76 Julian years (365.25 days per Julian year).

- Hours to
**Centiseconds**- A centisecond is exactly 0.01 seconds. One hundredth of a second.

- Hours to
**Centuries**- 100 yr

- Hours to
**Days**- 1 day is 24 hours. The amount of time required for one full rotation of the Earth from the perspective of the Sun. More specifically this unit is known as a solar day. 1 Solar day = 86 400 seconds (SI base unit). 1 d = 86400 s.

- Hours to
**Days (sidereal)**- The amount of time needed for the earth to rotate once around its axis as viewed from a distance star. Approximately 23 hours, 56 minutes, and 4.1 seconds. 86,164.1 seconds. See
*Days*for 24 hour solar day.

- The amount of time needed for the earth to rotate once around its axis as viewed from a distance star. Approximately 23 hours, 56 minutes, and 4.1 seconds. 86,164.1 seconds. See
- Hours to
**Decades**- 10 yr

- Hours to
**Decaseconds**- A decasecond is exactly 10 seconds. 1 das = 10 s. Ten seconds.

- Hours to
**Deciseconds**- A decisecond is exactly 0.1 seconds. One tenth of a second.

- Hours to
**Femtoseconds**- A femtosecond is exactly 1 x 10
^{-15}seconds. A quadrillionth of a second.

- A femtosecond is exactly 1 x 10
- Hours to
**Fortnights**- 2 Weeks.

- Hours to
**Gigaseconds**- A gigasecond is exactly 1,000,000,000 seconds. A billion seconds.

- Hours to
**Hectoseconds**- A decasecond is exactly 100 seconds. 1 hs = 100 s. One hundred seconds.

- Hours to
**Heleks**- 1 Helek is equal to 1/1080 hours.

- Hours to
**Hipparchic Cycles**- 1 Happarchic cycles is one day less than 4 Callippic cycles. 304 Julian years (365.25 days) minutes 1 day.

- Hours to
**Jiffies**- 1/60
^{th}Seconds.

- 1/60
- Hours to
**Jiffies (alternative)**- 1/100
^{th}Seconds.

- 1/100
- Hours to
**Ke**- 1 ke is 1/4 of an hour. 900 seconds.

- Hours to
**Ke (traditional)**- 1 ke is 1/100
^{th}of a day.

- 1 ke is 1/100
- Hours to
**Kiloseconds**- A kilosecond is exactly 1,000 seconds. A thousand seconds.

- Hours to
**Lustres**- 1 Lustre is equal to 5 years of 365 days each.

- Hours to
**Megaseconds**- A megasecond is exactly 1,000,000 seconds. A million seconds.

- Hours to
**Metonic Cycles**- 1 Metonic cycle is equal to 110 hollow months (29 days) plus 125 full months (30 days). The equates to 6940 days or approximately 19 years.

- Hours to
**Microfortnights**- 1 Microfortnight is equal to 14 / 1000000 days or 1.2096 seconds. It is intended to be used only for humour or obfuscation. 1 µfn = 1.2096 s.

- Hours to
**Microseconds**- A microsecond is exactly 1 x 10
^{-6}seconds. 1 µs = 0.000,001 s. One millionth of a second.

- A microsecond is exactly 1 x 10
- Hours to
**Millennia**- 1 Millennium is equal to 1,000 years. In this calculation Julian years are being used (365.25 days).

- Hours to
**Millidays**- 1/1000 Days. In SI units 86.4 seconds.

- Hours to
**Millifortnights**- 1 Millifortnight is equal to 14 / 1000 days or 1209.6 seconds. It is intended to be used only for humour or obfuscation. 1 mfn = 1209.6 s.

- Hours to
**Milliseconds**- A millisecond is exactly 1 x 10
^{-3}seconds. 1 ms = 0.001 s.

- A millisecond is exactly 1 x 10
- Hours to
**Minutes**- 60 Seconds.

- Hours to
**Moments**- 90 Seconds.

- Hours to
**Months**- 30 Days, for the purposes of calculation.

- Hours to
**Months (hollow)**- 1 Hollow months is 29 days.

- Hours to
**Nanofortnights**- 1 Nanofortnight is equal to 14 / 1000000000 days or 0.0012096 seconds. It is intended to be used only for humour or obfuscation. 1 nfn = 0.0012096 s.

- Hours to
**Nanoseconds**- A nanosecond is exactly 1 x 10
^{-9}seconds. 1 ns = 0.000,000,001 s.

- A nanosecond is exactly 1 x 10
- Hours to
**Octaeterides**- 1 Ocaeteris is roughly 2922 days.

- Hours to
**Picoseconds**- A picosecond is exactly 1 x 10
^{-12}seconds. 1 ps = 0.000,000,000,001 s.

- A picosecond is exactly 1 x 10
- Hours to
**Seconds**- time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 K (but other seconds are sometimes used in astronomy)

- Hours to
**Shakes**- 1 Shake is equal to 10 nanoseconds.

- Hours to
**Sigmas**- 1 Sigma is equal to 1 microsecond.

- Hours to
**Sols**- 1 Sol is a martian solar day, one full rotation of Mars from the perspective of the Sun. Approximately 88775.24409 seconds or 24 hours, 39 minutes, 35.24409 seconds; slightly variable due to orbital eccentricity. 1 sol = 88775.24409 s.

- Hours to
**Sothic Cycles**- 1 Sothic cycle is equal to 1461 years of 365 days. Also 1460 Julian years (365.25 days).

- Hours to
**Svedbergs**- 1 Svedberg is equal to 10
^{-8}seconds.

- 1 Svedberg is equal to 10
- Hours to
**Teraseconds**- A terasecond is exactly 1,000,000,000,000 seconds. A trillion seconds.

- Hours to
**Weeks**- 1 Week is equal to 7 days. In SI units 1 week is 604,800 seconds.

- Hours to
**Years**- 1 Year (Gregorian) contains 365.2425 days, in SI units it is equal to 31,556,952 seconds.

- Hours to
**Years (Julian)**- 1 Year (Julian) contains 365.25 days, in SI units it is equal to 31,557,600 seconds.

- Hours to
**Years (sidereal)**- 1 Year (sidereal) is exactly equal to the time taken for the Sun to return to the same position with respect to the star of the celestial sphere. In SI units the is approximately 31,446,925 seconds.

- Hours to
**Years (tropical)**- 1 Year (tropical) is the time taken for the Sun to return to the same position in the cycle of seasons. In Si units the is 31,556,925 seconds.