| Major concepts | Time · Eternity · Arguments for eternity · Immortality Deep time · History · Past · Present · Future · Futures studies | |
|---|---|---|
| Measurement and standards | Chronometry · UTC · UT · TAI · Second · Minute · Hour · Sidereal time · Solar time · Time zone Clock · Astrarium · History of timekeeping devices · Horology · Marine chronometer · Sundial · Water clock Calendar · Day · Week · Month · Year · Tropical year · Gregorian · Islamic · Julian Intercalation · Leap second · Leap year | |
| Chronology | ||
| Religion and mythology | ||
| Philosophy | ||
| Physical sciences | ||
| Biology | ||
| Psychology | ||
| Sociology and anthropology | Long Now Foundation · Time discipline · Time use research | |
| Economics | ||
| Related topics | ||
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Template documentationThis template's initial visibility currently defaults to collapsed, meaning that it is hidden apart from its title bar.
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{{Time topics|state=expanded}}will show the template expanded, i.e. fully visible.{{Time topics|state=autocollapse}}will show the template autocollapsed, i.e. if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar, but if not, it is fully visible.