Specify calendrical units.
| Era |
Specifies the era unit. |
| Year |
Specifies the year unit. |
| Month |
Specifies the month unit. |
| Day |
Specifies the day unit. |
| Hour |
Specifies the hour unit. |
| Minute |
Specifies the minute unit. |
| Second |
Specifies the second unit. |
| Week |
Specifies the week unit. |
| Weekday |
Specifies the weekday unit. |
| WeekdayOrdinal |
Specifies the ordinal weekday unit. |
| Quarter |
Specifies the quarter of the calendar. |