This is a table showing the months of the year in the Ogre Battle universe, and their Gregorian equivalents.
| Tactics Ogre: Let Us Cling Together (PSX) | Tactics Ogre: Let Us Cling Together (PSP) | Tactics Ogre: The Knight of Lodis | Ogre Battle 64: Person of Lordly Caliber | # of Days | Gregorian Equivalent |
| God | Godscale | Deus | Deus | 24 | January 1st - January 24th |
| Earth | Earthscale | Tierra | Tierra | 25 | January 25th - February 18th |
| Water | Waterscale | Agua | Agua | 23 (Knight of Lodis and Ogre Battle 64) 24 (Tactics Ogre PSX and PSP) |
February 19th - March 13th |
| Shadow | Shadowscale | Sombra | Sombra | 24 | March 14th - April 6th |
| White | Whitescale | Branca | Branca | 25 | April 7th - May 1st |
| Flame | Flamescale | Flama | Flama | 24 | May 2nd - May 25th |
| Wind | Windscale | Vento | Vento | 24 | May 26th - June 18th |
| Gold | Goldscale | Ouro | Ouro | 25 | June 19th - July 13th |
| Thunder | Stormscale | Trueno | Trueno | 24 | July 14th - August 6th |
| Dark | Darkscale | Trevas | Trevas | 24 | August 7th - August 30th |
| Sea | Seascale | Oceano | Oceano | 25 | August 31st - September 24th |
| Black | Blackscale | Preta | Preta | 24 | September 25th - October 18th |
| Twin | Twinscale | Gemeo | Gemeo | 24 | October 19th - November 11th |
| Fire | Firescale | Fogo | Fogo | 25 | November 12th - December 6th |
| Light | Lightscale | Raio | Raio | 25 | December 7th - December 31st |