Ben Joffe personal blog
A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards)
Counting years backwards unlocks faster speed. The first date algorithm to use only 4 multiplications, instead of 7+
- Points
- 395
- HN comments
- 94
- Submissions
- 1
- Cited by
- 0 commenters
Math & AlgorithmsSoftware Engineering2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Nov 23, 2025 | A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards) by benjoffe | 395 | 94 |
