| 0 | Gregoriano abbreviato | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 1 | Gregoriano | January, February, March, April, May, June, July, August, September, October, November, December |
| 2 | Giuliano abbreviato | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 3 | Giuliano | January, February, March, April, May, June, July, August, September, October, November, December |
| 4 | Giudeo | Tishri, Heshvan, Kislev, Tevet, Shevat, AdarI, AdarII, Nisan, Iyyar, Sivan, Tammuz, Av, Elul |
| 5 | Repubblicano Francese | Vendemiaire, Brumaire, Frimaire, Nivose, Pluviose, Ventose, Germinal, Floreal, Prairial, Messidor, Thermidor, Fructidor, Extra |
