The humans of Mazer count their years from the date the Grand Duchy of Verdicourt was founded. Dates are thus noted as positive and negative numbers V (i.e. 581V). In each year there are 12 months of 30 days each. Each month consists of three weeks, each of ten days.
| Months of the Year | Days of the Week | |
| Invar | Orichalcum | |
| Nilo | Argentum | |
| Kovar | Electrum | |
| Sealvar | Aurum | |
| Rodar | Platinum | |
| Dilver | Ruthium | |
| Pernifer | Rhodium | |
| Telcoscal | Palladium | |
| Nickel | Osmium | |
| Cobalt | Iridium | |
| Tungsten | ||
| Steel |