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The hour (common symbol: h or hr, h being the international form of the symbol) is a unit of measurement of time. In modern usage, an hour comprises 60 minutes, or 3,600 seconds. It is approximately 1/24 of a mean solar day.
An hour in the Universal Coordinated Time (UTC) time standard can include a negative or positive leap second, and may therefore have a duration of 3,599 or 3,601 seconds for adjustment purposes.
Although it is not a standard defined by the International System of Units (SI), the hour is a unit accepted for use with SI, represented by the symbol h.
HoursConversion table | ||
|---|---|---|
| 1 hr | = 1.1415525114155E-13 aeons (eon) | ⇛ |
| 1 hr | = 1.488289484727E+20 atomic unit of time (au) | ⇛ |
| 1 hr | = 3.6E+21 attoseconds (as) | ⇛ |
| 1 hr | = 1.5010146859277E-6 callippic cycles (cali) | ⇛ |
| 1 hr | = 1.141407736208E-6 centuries (cent) | ⇛ |
| 1 hr | = 0.041666666666667 days (day) | ⇛ |
| 1 hr | = 1.141407736208E-5 decades (dec) | ⇛ |
| 1 hr | = 1.6307893020222E-5 dog years (dog yrs) | ⇛ |
| 1 hr | = 3.6E-15 exaseconds (Es) | ⇛ |
| 1 hr | = 3.6E+18 femtoseconds (fs) | ⇛ |
| 1 hr | = 0.0029752066115702 fortnights (fn) | ⇛ |
| 1 hr | = 4.9632717887632E-13 galactic years (gal) | ⇛ |
| 1 hr | = 3.6E-6 gigaseconds (Gs) | ⇛ |
| 1 hr | = 0.00011407945862452 gregorian years (GY) | ⇛ |
| 1 hr | = 1080.0010800011 helek (h) | ⇛ |
| 1 hr | = 3.7525705107999E-7 hipparchic cycles (HC) | ⇛ |
| 1 hr | = 1 hours (hr) | ⇛ |
| 1 hr | = 4.9632717887632E-13 indictions (in) | ⇛ |
| 1 hr | = 216000.0000864 jiffies (jiffy) | ⇛ |
| 1 hr | = 4 ke (ke) | ⇛ |
| 1 hr | = 3.6 kiloseconds (Ks) | ⇛ |
| 1 hr | = 0.00011384335154827 leap years (ly) | ⇛ |
| 1 hr | = 0.0014109662760326 lunar months (lm) | ⇛ |
| 1 hr | = 0.00011757955432646 lunar years (lunar yrs) | ⇛ |
| 1 hr | = 2.2831050228311E-5 lustrums (L) | ⇛ |
| 1 hr | = 0.040551845737535 mars days (Sol mars) | ⇛ |
| 1 hr | = 0.0036 megaseconds (Ms) | ⇛ |
| 1 hr | = 6.0038424591739E-6 metonic cycles (mc) | ⇛ |
| 1 hr | = 3600000000 microseconds (µs) | ⇛ |
| 1 hr | = 1.141407736208E-7 millenniums (mill) | ⇛ |
| 1 hr | = 41.666666666667 millidays (md) | ⇛ |
| 1 hr | = 3600000 milliseconds (ms) | ⇛ |
| 1 hr | = 60 minutes (min) | ⇛ |
| 1 hr | = 40 moments (moment) | ⇛ |
| 1 hr | = 0.0013698630136986 months (mo) | ⇛ |
| 1 hr | = 3600000000000 nanoseconds (ns) | ⇛ |
| 1 hr | = 1.4259639516313E-5 octaeteris (octa) | ⇛ |
| 1 hr | = 2.8519279032626E-5 olympiads (o) | ⇛ |
| 1 hr | = 3.6E-12 petaseconds (Ps) | ⇛ |
| 1 hr | = 3.6E+15 picoseconds (ps) | ⇛ |
| 1 hr | = 6.6775362117224E+46 planck times (tp) | ⇛ |
| 1 hr | = 3600 seconds (s) | ⇛ |
| 1 hr | = 360000000000 shakes (shake) | ⇛ |
| 1 hr | = 0.041780741631375 sidereal days (Sd) | ⇛ |
| 1 hr | = 0.00011407512977096 sidereal years (Sy) | ⇛ |
| 1 hr | = 3600000000 sigmas (Sigma) | ⇛ |
| 1 hr | = 7.8135011048291E-8 sothic cycles (Sc) | ⇛ |
| 1 hr | = 3.6E+16 svedbergs (S) | ⇛ |
| 1 hr | = 3.6E-9 teraseconds (Ts) | ⇛ |
| 1 hr | = 0.00011407955462183 tropical years (TY) | ⇛ |
| 1 hr | = 0.005952380952381 weeks (wk) | ⇛ |
| 1 hr | = 0.00011415525114155 years (yr) | ⇛ |
| 1 hr | = 3.6E+27 yoctoseconds (ys) | ⇛ |
| 1 hr | = 3.6E-21 yottaseconds (Ys) | ⇛ |
| 1 hr | = 3.6E+24 zeptoseconds (zs) | ⇛ |
| 1 hr | = 3.6E-18 zettaseconds (Zs) | ⇛ |