
Around the World in 81 Days (And Other Problems Caused by Leap Years)
When Twilight and Celestia have an argument about the existence of leap years, there’s only one possible way to settle their differences: a race around the world!
When Twilight and Celestia have an argument about the existence of leap years, there’s only one possible way to settle their differences: a race around the world!
With the full benefit of hindsight, there may have been other ways.
An 80 Days crossover, written as part of Horizon's writing challenge. Edited by Ether Echoes, Soge, Giant Hat, and Tormented Dragon, who are all amazing.


61627 words: Estimated about 5 hours to read
22 Chapters:
- The Wager 2016-08-07 23:30:20 UTC871
- Day 1: The West Equestrian Railway 2016-08-07 23:32:34 UTC1881
- Day 3: Griffonstone 2016-08-07 23:36:04 UTC2848
- Day 4: The Pegasus Express 2016-08-07 23:37:20 UTC1605
- Day 7: Vineigha 2016-08-07 23:38:35 UTC3265
- Day 8: The Podhajsky Highway 2016-08-07 23:39:35 UTC2965
- Day 12: Tersk 2016-08-09 17:06:15 UTC3434
- Day 20: The Wind-Swept Lover 2016-08-22 15:47:23 UTC3231
- Day 22: Cape Harness 2016-08-28 21:13:05 UTC4193
- Day 30: The Great Western 2016-09-02 14:26:41 UTC4131
- Day 38: Akhal-Teke 2016-09-02 14:26:45 UTC4141
- Day 43: The Iron Crescent Railway 2016-09-02 14:26:49 UTC3307
- Day 48: Marwari 2016-10-14 23:14:32 UTC5114
- Day 53: The Amelioration 2016-10-26 04:54:32 UTC4568
- Day 58: The Water Palace 2016-11-29 05:08:03 UTC3459
- Day 59: The Braided Tail 2016-11-29 05:09:37 UTC4181
- Day 60: Ferghana 2016-12-01 03:15:11 UTC465
- Day 71: KLE-O43 2016-12-01 03:16:25 UTC1635
- Day 79: Tampuli 2016-12-01 03:17:11 UTC2500
- Day 80: The Spirit World 2016-12-01 03:17:56 UTC2766
- Day 81: Canterlot 2016-12-01 03:18:41 UTC496
- The End 2016-12-01 03:19:17 UTC571