There are twelve months in the Pernese year. The sixth and twelfth months of the year have 31 days; the rest have 30. There is a leap year every sixth year in the third month (last one was 2556).
| Date (or approximate) Format: YYYY.M.D | Event |
|---|---|
| 2508.?.? | Ninth Pass begins |
| 2520.?.? | White Ruth's first flight |
| 2523.5.9 | Master Wansor explains the star charts and equations to the Weyrs |
| 2523.5.16 | White Ruth's first flame |
| 2523.5.26 | Oldtimers steal Ramoth's queen egg |
| 2523.6.7 | Ramoth's clutch hatches (Benden Weyr) |
| 2523.6.17 | Oldtimer Fanna and gold Mirath die (Southern Weyr) |
| 2523.7.6 | White Ruth's first Threadfall |
| 2523.8.28 | Oldtimer bronze Salth has heart attack trying to fly gold Caylith Oldtimer T'kul and killed in fight with F'lar after Salth dies Oldtimer gold Caylith flown by bronze Barnath Masterharper Robinton has heart attack |
| 2523.10.16 | Jaxom, Ruth, Menolly, Piemur, and Sharra discover Landing |
| 2525.?.? | AIVAS discovered |
| 2527.?.? | First actions to end Thread undertaken |
| 2530.?.? | Final actions to end Thread undertaken |
| 2550.9.8 | Snowy Hold founded |
| 2553.8.14 | Aurora Hold founded |
| 2555.?.? | Ninth Pass ends |
| 2555.9.15 | Northern Weyrling Academy construction finished |
| 2555.11.23 | Aurora (Igen W.) clutch hatches |
| 2556.5.24 | Snowy (Ista W.) clutch hatches |
| 2556.11.13 | Blizzard (Telgar W.) clutch hatches |
| 2557.5.16 | Glacier (High Reaches W.) clutch hatches |
| 2557.11.15 | Snowflake (Benden W.) clutch hatches |
| 2558.2.1 | Gold Selianth (Fort W.) is flown by Bronze Zagenth |
| 2558.4.1 | Gold Selianth clutches (Fort W.) |
| 2558.5.13 | Gold Selianth's clutch hatches (Fort W.) |
| 2558.5.27 | Gold Selianth's weyrlings (Tundra clutch) start journey to Northern Weyrling Academy |
| 2558.6.15 | Tundra clutch arrives at Northern Weyrling Academy |
| 2558.7.15 | Gold Saraidth (Xanadu W.) is flown by Bronze Vartryth |
| 2558.7.28 | Tundra clutch resumes Craft lessons (for weyrlings who had already declared a Craft) |
| 2558.8.26 | Gold Saraidth clutches (Xanadu W.) |
| 2558.9.15 | Snowflake clutch returns to Benden Weyr |
| 2558.10.1 | Tundra clutch starts Craft lessons (for weyrlings who didn't already have a Craft) |
| 2558.10.7 | Gold Saraidth's clutch hatches (Xanadu W.) |
| 2558.10.21 | Gold Saraidth's weyrlings (Cornice clutch) start journey to Northern Weyrling Academy |
| 2558.11.3 | Gold Henriettath is flown by ...? |
| 2558.11.11 | Cornice clutch arrives at Northern Weyrling Academy |
Current year on Pern | |
| 2559.1.2 | Rude Awakening, Part 1 |
