The planet of Cala'diel revolves around a single star , named Io, and it takes 280 days to complete one revolution. Cala'diel rotates on its axis exactly like Earth does and has 24 a twenty four hour long daysday. Cala'diel has two moons, named Tiamat and Bahamut. They are both nearly the same size, about 1/13th the size of Cala'diel. Tiamat is red, looking much like Mars does; and Bahamut is greyish, having a appearence an appearance much like Earth's moon. They act like Earths moon and go through phases. Both share the night sky together, and both take 56 fifty six days to complete a full phase cycle.

Tracking the years on Cala'diel is done using the terms TT BD and GD. TT BD stands for "Ticia TimeBefore Divide" and GD stands for "Great Divide". Years count back from 1 one when using TT BD and forward when using GD.

The method methods used on Cala'diel to track the time in a year is are as follows:

Tracking months the current month is done by using the phases of the two moons. When Tiamat is considered full, Bahamut would be considered new. This means when Tiamat can be fully viewed, Bahamut would not be viewable. It then takes 28 twenty eight days for Tiamat to be considered new, and Bahamut to be full. Every 28 twenty eight days when a moon becomes full, a new month begins. If the month began with Tiamat in full view, it would then be a month named after a dragon Tiamat created. If the month began with Bahamut in full view, it is a month sharing the name of a dragon Bahamut created.

So the 14th fourteenth day of the 6th sixth month in the current year would be written - 14 Elath 252 GD.

 {| class="zebra d20" |-! align="left" |Ndra|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Cazgo|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 [[File:NdraCalendar.jpg|1000px| 28thumb|-center|}These are the first two months of the calendar year. Moon phases and important dates are shown. Tiamat is the red moon and Bahamut is the grey.]]{[[File:FangdurCalendar.jpg| class="zebra d20" 1000px|-! align="left" thumb|Fangdurcenter|-These are the third and fourth months of the calendar year. Moon phases and important dates are shown. Tiamat is the red moon and Bahamut is the grey.]][[File:RanthurCalendar.jpg| align="left" | 1 || 2 || 3 || 4 || 5 || 6 1000px|thumb| 7center|-These are the fifth and sixth months of the calendar year. Moon phases and important dates are shown. Tiamat is the red moon and Bahamut is the grey.]][[File:BalroCalendar.jpg| align="left" | 8 || 9 || 10 || 11 || 12 || 13 1000px|thumb| 14center|-These are the seventh and eighth months of the calendar year. Moon phases and important dates are shown. Tiamat is the red moon and Bahamut is the grey.]][[File:VagodorCalendar.jpg| align="left" | 15 || 16 || 17 || 18 || 19 1000px|thumb| 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Landero|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Ranthur|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Elath|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Balro|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Aurorum|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Vagodor|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-|} {| class="zebra d20" |-! align="left" |Malkura|-| align="left" | 1 || 2 || 3 || 4 || 5 || 6 || 7|-| align="left" | 8 || 9 || 10 || 11 || 12 || 13 || 14|-| align="left" | 15 || 16 || 17 || 18 || 19 || 20 || 21|-| align="left" | 22 || 23 || 24 || 25 || 26 || 27 || 28|-center|}These are the ninth and tenth months of the calendar year. Moon phases and important dates are shown. Tiamat is the red moon and Bahamut is the grey.]]