https://www.pistack.xyz/tags/timezone/ Recent content in Timezone on Pi Stack Hugo en-us Thu, 25 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-25-cpp-datetime-libraries-date-h-boost-datetime-icu-abseil-cctz/ Thu, 25 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-25-cpp-datetime-libraries-date-h-boost-datetime-icu-abseil-cctz/ <h2 id="introduction">Introduction</h2> <p>Date and time handling is deceptively complex. Beyond simple timestamp arithmetic lies a maze of time zones (571 distinct IANA zones), daylight saving transitions, leap seconds, calendar systems (Gregorian, Islamic, Hebrew, Chinese), locale-specific formatting, and the distinction between &ldquo;wall clock time&rdquo; and &ldquo;absolute time.&rdquo; Getting datetime logic wrong produces bugs that surface only twice a year during DST transitions or silently corrupt financial data through incorrect epoch conversions.</p>