| Calendar Schemes |
|---|
| Code | Name | Status | Script | Notes |
|---|
| ay | Astronomical Year Calendar | Library | lib/hics/ay.glcs | Hybrid of "j" and "g". |
| c | Chinese | Proposed | | |
| cath | Catholic Hybrid | Proposed | | Hybrid calendar that changed 15 Oct 1582. |
| ce | Common Era | Proposed | | Hybrid of "jce" and "gce" |
| eh | Julian Era Hispanica | Library | lib/hics/julian_shift.glcs | Includes year zero |
| eng | English Hybrid | Proposed | | |
| er | English Regnal | Proposed | | |
| fr | French Republican | Proposed | | Includes year zero |
| g | Gregorian | Library | lib/hics/gregorian.glcs | Includes year zero |
| gce | Gregorian Common Era | Proposed | | |
| go | Gregorian Ordinal | Library | lib/hics/gregorian.glcs | |
| gw | Gregorian ISO Week | Library | lib/hics/gregorian.glcs | |
| h | Hebrew | Proposed | | Includes year zero |
| i | Islamic Tabular | Proposed | | Includes year zero |
| i.ia | Islamic Tabular Ia | Proposed | | See website |
| i.ic | Islamic Tabular Ic | Proposed | | See website |
| i.iiic | Islamic Tabular IIIc | Proposed | | See website |
| i.iva | Islamic Tabular IVa | Proposed | | See website |
| i.ivc | Islamic Tabular IVc | Proposed | | See website |
| if | Islamic Fātimid | Proposed | | Includes year zero |
| ims | Islamic Microsoft Hijri | Proposed | | Includes year zero |
| j | Julian | Library | lib/hics/julian.glcs | Includes year zero |
| ja | Julian Annunciation Florence | Library | lib/hics/julian_shift.glcs | Includes year zero |
| jap | Julian Annunciation Pisa | Library | lib/hics/julian_shift.glcs | Includes year zero |
| jce | Julian Common Era | Library | lib/hics/jce.glcs | |
| jd | Julian Day | Proposed | | |
| jdn | Julian Day Number | Library | lib/hics/jdn.glcs | Internal representation |
| jeast | Julian Easter | Proposed | | Use weekday to avoid ambiguity |
| jn | Julian Nativity | Library | lib/hics/julian_shift.glcs | Includes year zero |
| jwn | Julian Week Number | Library | lib/hics/week.glcs | Hidden |
| jwsn | Julian Week (Sunday) Number | Library | lib/hics/week.glcs | Hidden |
| mjd | Modified Julian Day | Proposed | | |
| rd | Rata Die | Proposed | | |
| scot | Scottish Hybrid | Proposed | | |
| sr | Scottish Regnal | Proposed | | |
| swed | Swedish Hybrid | Proposed | | The calendar used by Sweden. |
| Grammar Definitions |
|---|
| Code | Description | Status | Script | Notes |
|---|
| c | Chinese scheme | Proposed | | |
| d | Simple Day Count | Library | lib/hics/jdn.glcs | |
| er | English Regnal | Proposed | | |
| fr | Basic French Republican scheme | Proposed | | |
| g | Gregorian scheme | Library | lib/hics/gregorian.glcs | Inherits from "j" |
| go | Gregorian Ordinal scheme | Library | lib/hics/gregorian.glcs | |
| gw | Gregorian Weekly scheme | Library | lib/hics/gregorian.glcs | |
| h | Hebrew schemes | Proposed | | |
| i | Islamic schemes | Proposed | | |
| hy | Julian - Gregorian hybrids | Proposed | | |
| j | Basic Julian and Gregorian schemes | Library | lib/hics/julian.glcs | |
| j_sh | Shifted Julian and Gregorian schemes | Library | lib/hics/julian_shift.glcs | |
| jce | Historical Julian and Gregorian schemes | Library | lib/hics/jce.glcs | |
| jg | Julian and Gregorian hybrid scheme | Library | lib/hics/ay.glcs | |
| jwn | Julian Week Monday scheme | Library | lib/hics/week.glcs | |
| jwsn | Julian Week Sunday scheme | Library | lib/hics/week.glcs | |
| lit | Christian Liturgical Weeks | Proposed | | |
| sr | Scottish Regnal | Proposed | | |
