Designation of units. The prime symbol ( ′ ) is commonly used to represent feet (ft), arcminutes (am), and minutes (min). However, for convenience, a ( ' ) (single quote mark) is commonly used. The double prime ( ″ ) represents inches (in), arcseconds (as), and seconds (s).
Besides, what is the unit for hours?
|Table 6. Units outside the SI that are accepted for use with the SI|
|Name||Symbol||Value in SI units|
|minute (time)||min||1 min = 60 s|
|hour||h||1 h = 60 min = 3600 s|
|day||d||1 d = 24 h = 86 400 s|
How do you abbreviate second?
The second (abbreviation, s or sec) is the Standard International ( SI ) unit of time. One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 atom. There are other expressions for the second.
What is the abbreviation for week?
Other Abbreviations of Time
|second – sec.||minute – min.|
|hour – hr. (sometimes h.)||week – wk.|
|ante meridiem (before noon) – a.m.||post meridiem (after noon) – p.m.|
|midnight – 12:00 a.m.||noon – 12:00 p.m.|
|month – mo.||year – yr.|