@tubular/time

Date/time, IANA timezones, leap seconds, TAI/UTC conversions, calendar with settable Julian/Gregorian switchover

v3.10.3 URL: https://unpkg.com/@tubular/time@3.10.3/dist/index.min.cjs

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astronomy calendar date gregorian iana julian leap second moment olson tdt tai time time zone timezone tzdata zoneinfo

zoneinfo-npm

timezone files, always up to date

v23.2.0 URL: https://unpkg.com/zoneinfo-npm@23.2.0

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timezone npm zoneinfo tzdb tzdata tzinfo iana

mcfly-timezone

Changes deprecated timezone strings into modern IANA Olsen Timezone equivalents.

v1.1.1 URL: https://unpkg.com/mcfly-timezone@1.1.1/dist/mcfly.js

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timezone timezones zoneinfo tzdata tz olson iana deprecated backward historical old convert conversion modernise modern

parse-zoneinfo

Async parser for binary tzdata zoneinfo files.

v2.0.1 URL: https://unpkg.com/parse-zoneinfo@2.0.1/lib/parse-zoneinfo.js

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parse-zoneinfo timezone tzdata zoneinfo parser time zone tz olson parser async