Ben Joffe

I’m a Sydney based software developer.

This site is for hosting some small (mostly old) projects and notes.

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11 December 2025The fastest “Is Leap Year” functionsShowcasing techniques from various algorithm designers
23 November 2025A Very Fast 64–Bit Date Algorithm: 30-40% fasterThe first date algorithm to use only 4 multiplications, instead of 7+
10 November 2025A New Faster Overflow–Safe Date Algorithm12-17% faster than previous algorithms, supporting the full 32–bit input range.
3 November 2025A New Faster Algorithm for Gregorian Date Conversion...how "Century-February-Padding" beats traditional year slicing.
26 August 2025The Smoital SystemA method of timekeeping on Mars based on UTC

Older stuff:

Leaked hash: c7a398d35e61a3c074a4d5e1cdef8523dd8f3eb47f6030debbda6356820575fd