In the game's console, use settime and gettime to test different times for 7d!time.
At the time of writing, the horde starts at 22:00 on Day 7 and ends at 04:00 on Day 8.
- Day 5, 04:00 - 100000
- Day 6, 20:00 - 140000
- Day 7, 06:00 - 150000
- Day 7, 21:00 - 165000
- Day 7, 23:30 - 167500
- Day 8, 02:00 - 170000
- Day 8, 06:30 - 174500