Rihannsu Calendar
Shipfall was in the Terran year 369 A.D. and marked for the Rihannsu calculation of times the year 1 After Shipfall or 1 A.S.
The IC year is currently 2389 A.D. which corresponds to the Rihannsu year 1941 A.S. (After Shipfall).
The Rihannsu, as the records of The Arrival state, were extremely lucky when they stumbled upon the Eisn system. The ch'Rihan/ch'Havran pair revolve around Eisn in a very stable orbit, a few degrees off from the 'horizontal' plane. There is very little wobble in their path, and it is less elipsoidal than the Terra/Luna pair which results in less drastic season changes throughout the year.
The two bodies orbit Eisn once every 380 days, as per ch'Rihan's day cycle. Being a decimal (base-10) oriented culture, the day was broken into hours, minutes, and seconds based on factors of ten. In order to maintain some consistency with existing time standards carried from Vulcan (they wanted a 'second' to approximate what they were used to as much as possible), the day was broken up thusly:
| 1 year | 380 days |
| 1 day | 16 hours |
| 1 hour | 100 minutes |
| 1 minute | 100 seconds |
For reference, the Rihannsu 'minute' is equal to 55 Terran seconds, and the Rihannsu Second is only a few micro-seconds off from the Vulcan Second. Following these comparisons, the Rihannsu day is approximately 27 Terran minutes longer than Terra's, and the Rihannsu year is just under 22 days longer than a Terran year.
Contents |
Listing of all months
(The numbers correspond to the consecutive numbers of days in the year.)
Season of Fire (Okhala)
Fire representing the warmth and light of Summer
| First Month of Fire | 1 - 20 |
| Second Month of Fire | 21 - 40 |
| Third Month of Fire | 41 - 60 |
| Fourth Month of Fire | 61 - 80 |
Season of Air (Jaeih)
Air representing the colder winds of Fall
| First Month of Air | 81 - 100 |
| Second Month of Air | 101 - 120 |
| Third Month of Air | 121 - 140 |
| Fourth Month of Air | 141 - 160 |
| Fifth Month of Air | 161 - 180 |
Season of Earth (Avilh)
Earth representing the darker and harder soils of Winter
| First Month of Earth | 181 - 200 |
| Second Month of Earth | 201 - 220 |
| Third Month of Earth | 221 - 240 |
| Fourth Month of Earth | 241 - 260 |
| Fifth Month of Earth | 261 - 280 |
Season of Water (Ihhuein)
Water representing the rains and frost-melting of Spring
| First Month of Water | 281 - 300 |
| Second Month of Water | 301 - 320 |
| Third Month of Water | 321 - 340 |
| Fourth Month of Water | 341 - 360 |
| Fifth Month of Water | 361 - 380 |
Format of the written date
Dates are written in the format of: 'Nth day of [month], [year] AS (After Shipfall)';
there are three ways to write the date - formal, common, and short:
Formal Written
Shad nudha'lhir khaidoam nuseir s'Avilh, fvheisn hwi dhei llu-thha'lli aihkh Khhiuhiera.
Nineteenth day of the third month of Earth, year one thousand seven hundred eighty-seven after Shipfall
Common Written
Sh. nu19r kh. nu3r s'Avilh, fvh. 1787 aK
19th d. of 3rd m. of Earth, y. 1787 AS
Short Written
19-3-Avilh, 1787 aK
19-3-Earth, 1787 AS
