Here's a list of the next 10 Halloweens, including the day of week and how many days until then.
| Holiday | Date | Daysuntil | |
|---|---|---|---|
| Halloween 3399 | October 31 3399 | Thursday | 501,989 |
| Halloween 3400 | October 31 3400 | Friday | 502,354 |
| Halloween 3401 | October 31 3401 | Saturday | 502,719 |
| Halloween 3402 | October 31 3402 | Sunday | 503,084 |
| Halloween 3403 | October 31 3403 | Monday | 503,449 |
| Halloween 3404 | October 31 3404 | Wednesday | 503,815 |
| Halloween 3405 | October 31 3405 | Thursday | 504,180 |
| Halloween 3406 | October 31 3406 | Friday | 504,545 |
| Halloween 3407 | October 31 3407 | Saturday | 504,910 |
| Halloween 3408 | October 31 3408 | Monday | 505,276 |
(12 months on one page)