Template: Time measurement and standards

{{#invoke:navbox|navbox
 | name       = Time measurement and standards
 | state      = {{{state|<includeonly>autocollapse</includeonly>}}}
 | title      = [[Time|Time measurement]] and [[Time standard|standards]]
 | bodyclass  = hlist
 | image = [[File:Marine sandglass MMM.jpg|75px|link=Hourglass|alt=template illustration]]<br />[[File:Aleutian Islands with 180th meridian and International Date Line (cropped).png|75px|link=Time zone |alt=template illustration]]

| above =
* [[Chronometry]]
* [[Orders of magnitude (time)|Orders of magnitude]]
* [[Time metrology|Metrology]]

| group2 = International standards
| list2 =
* [[Coordinated Universal Time]]
** [[UTC offset|offset]]
* [[Universal Time|UT]]
* [[ΔT (timekeeping)|ΔT]]
* [[DUT1]]
* [[International Earth Rotation and Reference Systems Service]]
* [[ISO 31-1]]
* [[ISO 8601]]
* [[International Atomic Time]]
* [[12-hour clock]]
* [[24-hour clock]]
* [[Barycentric Coordinate Time]]
* [[Barycentric Dynamical Time]]
* [[Civil time]]
* [[Daylight saving time]]
* [[Geocentric Coordinate Time]]
* [[International Date Line]]
* [[IERS Reference Meridian]]
* [[Leap second]]
* [[Solar time]]
* [[Terrestrial Time]]
* [[Time zone]]
* [[180th meridian]]

| group3 = Obsolete standards
| list3 =
* [[Ephemeris time]]
* [[Greenwich Mean Time]]
* [[Prime meridian]]

| group4 = [[Time in physics]]
| list4 =
* [[Absolute space and time]]
* [[Spacetime]]
* [[Chronon]]
* [[Continuous signal]]
* [[Coordinate time]]
* [[Cosmological decade]]
* [[Discrete time and continuous time]]
* [[Proper time]]
* [[Theory of relativity]]
* [[Time dilation]]
* [[Gravitational time dilation]]
* [[Time domain]]
* [[Time-translation symmetry]]
* [[T-symmetry]]

| group5 = [[Horology]]
| list5 =
* [[Clock]]
* [[Astrarium]]
* [[Atomic clock]]
* [[Complication (horology)|Complication]]
* [[History of timekeeping devices]]
* [[Hourglass]]
* [[Marine chronometer]]
* [[Marine sandglass]]
* [[Radio clock]]
* [[Watch]]
**[[stopwatch]]
* [[Water clock]]
* [[Sundial]]
* [[Dialing scales]]
* [[Equation of time]]
* [[History of sundials]]
* [[Schema for horizontal dials|Sundial markup schema]]

| group6 = [[Calendar]]
| list6 =
* [[Gregorian calendar|Gregorian]]
* [[Hebrew calendar|Hebrew]]
* [[Hindu calendar|Hindu]]
* [[Holocene calendar|Holocene]]
* [[Islamic calendar|Islamic]] (lunar Hijri)
* [[Julian calendar|Julian]]
* [[Solar Hijri calendar|Solar Hijri]]
* [[Astronomical year numbering|Astronomical]]
* [[Dominical letter]]
* [[Epact]]
* [[Equinox]]
* [[Intercalation (timekeeping)|Intercalation]]
* [[Julian day]]
* [[Leap year]]
* [[Lunar calendar|Lunar]]
* [[Lunisolar calendar|Lunisolar]]
* [[Solar calendar|Solar]]
* [[Solstice]]
* [[Tropical year]]
* [[Determination of the day of the week|Weekday determination]]
* [[Names of the days of the week|Weekday names]]

| group7 = Archaeology and geology
| list7 =
* [[Chronological dating]]
* [[Geologic time scale]]
* [[International Commission on Stratigraphy]]

| group8 = [[Astronomical chronology]]
| list8 =
* [[Galactic year]] 
<!-- not [[light year]], that is a measure of distance not time -->
* [[Nuclear timescale]]
* [[Precession]]
* [[Sidereal time]]

| group9 = Other [[Unit of time|units of time]]
| list9 =
* [[Instant]]
* [[Flick (time)|Flick]]
* [[Shake (unit)|Shake]]
* [[Jiffy (time)|Jiffy]]
* [[Second]]
* [[Minute]]
* [[Moment (unit)|Moment]]
* [[Hour]]
* [[Day]]
* [[Week]]
* [[Fortnight]]
* [[Month]]
* [[Year]]
* [[Olympiad]]
* [[Lustrum]]
* [[Decade]]
* [[Century]]
* [[Saeculum]]
* [[Millennium]]

| group10 = Related topics
| list10 =
* [[Chronology]]
* [[Duration (philosophy)|Duration]]
** [[Duration (music)|music]]
* [[Mental chronometry]]
* [[Decimal time]]
* [[Metric time]]
* [[System time]]
* [[Time metrology]]
* [[Time value of money]]
* [[Timekeeper]] 

}}<noinclude>
{{Documentation}}
</noinclude>