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Convert Years to:

  • Years 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).
  • Years to Centiseconds
    • A centisecond is exactly 0.01 seconds. One hundredth of a second.
  • Years to Centuries
    • 100 yr
  • Years 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.
  • Years 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.
  • Years to Decades
    • 10 yr
  • Years to Decaseconds
    • A decasecond is exactly 10 seconds. 1 das = 10 s. Ten seconds.
  • Years to Deciseconds
    • A decisecond is exactly 0.1 seconds. One tenth of a second.
  • Years to Femtoseconds
    • A femtosecond is exactly 1 x 10-15 seconds. A quadrillionth of a second.
  • Years to Fortnights
    • 2 Weeks.
  • Years to Gigaseconds
    • A gigasecond is exactly 1,000,000,000 seconds. A billion seconds.
  • Years to Hectoseconds
    • A decasecond is exactly 100 seconds. 1 hs = 100 s. One hundred seconds.
  • Years to Heleks
    • 1 Helek is equal to 1/1080 hours.
  • Years to Hipparchic Cycles
    • 1 Happarchic cycles is one day less than 4 Callippic cycles. 304 Julian years (365.25 days) minutes 1 day.
  • Years to Hours
    • 60 Minutes. In SI units 3600 seconds.
  • Years to Jiffies
    • 1/60th Seconds.
  • Years to Jiffies (alternative)
    • 1/100th Seconds.
  • Years to Ke
    • 1 ke is 1/4 of an hour. 900 seconds.
  • Years to Ke (traditional)
    • 1 ke is 1/100th of a day.
  • Years to Kiloseconds
    • A kilosecond is exactly 1,000 seconds. A thousand seconds.
  • Years to Lustres
    • 1 Lustre is equal to 5 years of 365 days each.
  • Years to Megaseconds
    • A megasecond is exactly 1,000,000 seconds. A million seconds.
  • Years 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.
  • Years 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.
  • Years to Microseconds
    • A microsecond is exactly 1 x 10-6 seconds. 1 µs = 0.000,001 s. One millionth of a second.
  • Years to Millennia
    • 1 Millennium is equal to 1,000 years. In this calculation Julian years are being used (365.25 days).
  • Years to Millidays
    • 1/1000 Days. In SI units 86.4 seconds.
  • Years 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.
  • Years to Milliseconds
    • A millisecond is exactly 1 x 10-3 seconds. 1 ms = 0.001 s.
  • Years to Minutes
    • 60 Seconds.
  • Years to Moments
    • 90 Seconds.
  • Years to Months
    • 30 Days, for the purposes of calculation.
  • Years to Months (hollow)
    • 1 Hollow months is 29 days.
  • Years 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.
  • Years to Nanoseconds
    • A nanosecond is exactly 1 x 10-9 seconds. 1 ns = 0.000,000,001 s.
  • Years to Octaeterides
    • 1 Ocaeteris is roughly 2922 days.
  • Years to Picoseconds
    • A picosecond is exactly 1 x 10-12 seconds. 1 ps = 0.000,000,000,001 s.
  • Years 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)
  • Years to Shakes
    • 1 Shake is equal to 10 nanoseconds.
  • Years to Sigmas
    • 1 Sigma is equal to 1 microsecond.
  • Years 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.
  • Years to Sothic Cycles
    • 1 Sothic cycle is equal to 1461 years of 365 days. Also 1460 Julian years (365.25 days).
  • Years to Svedbergs
    • 1 Svedberg is equal to 10-8 seconds.
  • Years to Teraseconds
    • A terasecond is exactly 1,000,000,000,000 seconds. A trillion seconds.
  • Years to Weeks
    • 1 Week is equal to 7 days. In SI units 1 week is 604,800 seconds.
  • Years to Years (Julian)
    • 1 Year (Julian) contains 365.25 days, in SI units it is equal to 31,557,600 seconds.
  • Years 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.
  • Years 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.