| Namespace | Identifier | Authority | Name | Label | Description | Constants |
|---|---|---|---|---|---|---|
| calendar | Akan | okapia.net | Akan Calendar | Akan | ||
| calendar | Bahai | okapia.net | Bahá'í Calendar | |||
| calendar | Bengali | okapia.net | Bengali Calendar | |||
| calendar | Berber | okapia.net | Berber Calendar | |||
| calendar | Buddhist | okapia.net | Buddhist Calendar | |||
| calendar | Chinese | okapia.net | Chinese Calendar | |||
| calendar | Coptic | okapia.net | Coptic Calendar | |||
| calendar | Discordian | okapia.net | Discordian Calendar | |||
| calendar | Ethiopian | okapia.net | Ethiopian Calendar | |||
| calendar | Gregorian | okapia.net | Gregorian Calendar | |||
| calendar | Hebrew | okapia.net | Hebrew Calendar | |||
| calendar | Hellenic | okapia.net | Hellenic Calendar | |||
| calendar | Igbo | okapia.net | Igbo Calendar | |||
| calendar | Indian | okapia.net | Indian National Calendar | |||
| calendar | ISO8601 | okapia.net | ISO 8601 Calendar | |||
| calendar | ISOWeekdate | okapia.net | ISO Week Date Calendar | |||
| calendar | Islamic | okapia.net | Islamic Calendar |
Islamic Calendar
calendar:Islamic@okapia.net
Japanese Calendar
calendar:Japanese@okapia.net
Javanese Calendar
calendar:Javanese@okapia.net
Juche Era Calendar
calendar:Juche@okapia.net
Jualian Calendar
calendar:Jualian@okapia.net
Kurdish Calendar
calendar:Kurdish@okapia.net
Malayalam Calendar
calendar:Malayalam@okapia.net
Nanakshahi Calendar
calendar:Nanakshahi@okapia.net
Nepali Calendar
calendar:Nepali@okapia.net
Nepal Sambat Calendar
calendar:NepalSambat@okapia.net
Revised Julian Calendar
calendar:RevisedJulian@okapia.net
Romanian Calendar
calendar:Romanian@okapia.net
Rumi Calendar
calendar:Rumi@okapia.net
Runic Calendar
calendar:Runic@okapia.net
Tamil Calendar
calendar:Tamil@okapia.net
Thai Lunar Calendar
calendar:ThaiLunar@okapia.net
Thai Solar Calendar
calendar:ThaiSolar@okapia.net
Tibetan Calendar
calendar:Tibetan@okapia.net
Zoroastrian Calendar
calendar:Zoroastrian@okapia.net
Xhosa Calendar
calendar:Xhosa@okapia.net
Yoruba Calendar
calendar:Yoruba@okapia.net