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 | 502,115 |
| Halloween 3400 | October 31 3400 | Friday | 502,480 |
| Halloween 3401 | October 31 3401 | Saturday | 502,845 |
| Halloween 3402 | October 31 3402 | Sunday | 503,210 |
| Halloween 3403 | October 31 3403 | Monday | 503,575 |
| Halloween 3404 | October 31 3404 | Wednesday | 503,941 |
| Halloween 3405 | October 31 3405 | Thursday | 504,306 |
| Halloween 3406 | October 31 3406 | Friday | 504,671 |
| Halloween 3407 | October 31 3407 | Saturday | 505,036 |
| Halloween 3408 | October 31 3408 | Monday | 505,402 |
(12 months on one page)