The Greyhawk campaign utilizes a 12 month calendar system with each month having 28 days. Every three months there is a 7 day festival. In this setting a week is equal to 7 days.
Month | Month Name | Season | Modern Month Equivalent |
1 | Fireseek | Winter | January |
2 | Readying | Spring | February |
3 | Coldeven | Spring | March |
| Growfest Festival |
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4 | Planting | Low Summer | April |
5 | Flocktime | Low Summer | May |
6 | Wealsun | Low Summer | June |
| Richfest Festival |
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7 | Reaping | High Summer | June |
8 | Goodmonth | High Summer | August |
9 | Harvester | High Summer | September |
| Brewfest Festival |
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10 | Patchwall | Autumn | October |
11 | Ready’reat | Autumn | November |
12 | Sunsebb | Winter | December |
| Needfest Festival |
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