### Convert Sigmas to:

- Sigmas 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).

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

- Sigmas to
**Centuries**- 100 yr

- Sigmas 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.

- Sigmas 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
- Sigmas to
**Decades**- 10 yr

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

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

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

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

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

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

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

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

- Sigmas to
**Hours**- 60 Minutes. In SI units 3600 seconds.

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

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

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

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

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

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

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

- Sigmas 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.

- Sigmas 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.

- Sigmas 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
- Sigmas to
**Millennia**- 1 Millennium is equal to 1,000 years. In this calculation Julian years are being used (365.25 days).

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

- Sigmas 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.

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

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

- Sigmas to
**Moments**- 90 Seconds.

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

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

- Sigmas 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.

- Sigmas 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
- Sigmas to
**Octaeterides**- 1 Ocaeteris is roughly 2922 days.

- Sigmas 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
- Sigmas 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)

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

- Sigmas 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.

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

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

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

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

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

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

- Sigmas 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.

- Sigmas 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.