| datatype | type | Properties |
|---|---|---|
| time | time | https://www.wikidata.org/wiki/Special:ListProperties/time |
Layout:
"datavalue":{
"value":{
"time":"+2015-07-00T00:00:00Z",
"timezone":0,
"before":0,
"after":0,
"precision":10,
"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"
},
"type":"time"
},
"datatype":"time"Please see the "time" section in the official docs for more details.
One important thing to highlight is that: "Hour, minute, and second are currently unused and should always be 00.". This is also the case for timezone.
| Precision | Meaning | Examples of time |
|---|---|---|
| 0 | 1 Gigayear | +1000000000000000-00-00T00:00:00Z +2000-00-00T00:00:00Z |
| 1 | 100 Megayears | -300000000-00-00T00:00:00Z |
| 2 | 10 Megayears | -2050000000-00-00T00:00:00Z |
| 3 | 1 Megayear | -145000000-00-00T00:00:00Z |
| 4 | 100 Kiloyears | -326400000-00-00T00:00:00Z |
| 5 | 10 Kiloyears | -107590000-00-00T00:00:00Z |
| 6 | Millenium | -2000-00-00T00:00:00Z +0400-00-00T00:00:00Z |
| 7 | Century | +0500-01-01T00:00:00Z |
| 8 | 10 years | +1970-00-00T00:00:00Z |
| 9 | 1 years | +1993-00-00T00:00:00Z |
| 10 | Months | +2003-04-00T00:00:00Z |
| 11 | Days | +1979-03-20T00:00:00Z |
| 12 | Hours | Unused |
| 13 | Hours | Unused |
| 14 | Hours | Unused |
Notice that the relevant parts of time is 00
depending on precision, which may be a bit surprising when parsing the value as a date.
The before and after can be used to give a date range
but this is not widely used.