### Convert Heleks to:

- Heleks 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).

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

- Heleks to
**Centuries**- 100 yr

- Heleks 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.

- Heleks 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
- Heleks to
**Decades**- 10 yr

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

- Heleks 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.

- Heleks 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.

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

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

- Heleks 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.

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

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

- Heleks to
**Moments**- 90 Seconds.

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

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

- Heleks 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.

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

- Heleks 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
- Heleks 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)

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

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

- Heleks 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.

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

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

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

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

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

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

- Heleks 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.

- Heleks 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.