https://ijmacd.github.io/rfc3339-iso8601/
https://stackoverflow.com/questions/3523442/difference-between-clock-realtime-and-clock-monotonic
https://blog.vnaik.com/posts/time.html
https://arxiv.org/ftp/arxiv/papers/1807/1807.01370.pdf Timekeeping infrastructure for the Catalina Sky Survey
https://www.prc68.com/I/timefreq.shtml
https://www.brendangregg.com/blog/2021-09-26/the-speed-of-time.html
https://changelog.com/posts/you-might-as-well-timestamp-it
https://adam-p.ca/blog/2023/12/sort-by-timestamp/
Building a command-line time tracker in shell script https://news.ycombinator.com/item?id=26545976
https://ajusa.github.io/nestly/#/
https://github.com/davidecavestro/jttslite
https://www.moesif.com/blog/technical/timestamp/manage-datetime-timestamp-timennes-in-api/
https://blog.scottlogic.com/2021/09/14/120-years-timezone.html
https://blog.joda.org/2021/09/big-problems-at-timezone-database.html
https://www.reddit.com/r/java/comments/puwe13/big_problems_at_the_timezone_database/
https://blog.healthchecks.io/2021/10/how-debian-cron-handles-dst-transitions/
https://www.masswerk.at/tzintl/
https://mm.icann.org/pipermail/tz/2022-March/031307.html
https://news.ycombinator.com/item?id=41992314
https://news.ycombinator.com/item?id=44885761
https://rachelbythebay.com/w/2025/09/11/debtz/ Debian 13, Postgres, and the US time zones
https://news.ycombinator.com/item?id=45162559
https://news.ycombinator.com/item?id=45233237
https://news.ycombinator.com/item?id=26620738
https://signalsandthreads.com/clock-synchronization/
https://www.usenix.org/system/files/osdi20-li_yuliang.pdf
https://github.com/kd2org/karadav
https://tesk.page/2025/07/25/gnome-calendar-a-new-era-of-accessibility-achieved-in-90-days/
https://news.ycombinator.com/item?id=44068204
https://dzone.com/articles/java-holiday-calendar-2016-day-16-hacking-the-exis
https://news.ycombinator.com/item?id=26758205 Why 11 days disappeared in 1752
https://dianne.skoll.ca/projects/remind/
https://github.com/clulab/timenorm
https://prabros.com/readings-on-time Alan Key
https://kevlinhenney.medium.com/taking-months-to-bits-f66f3eb2476a
https://qwerty.dev/calendar-generator/ md
https://www.nirsoft.net/utils/run_as_date.html
https://pmswap.medium.com/imaginary-pm-b4b818625498
https://github.com/speedyg0nz/MagInkCal
https://leancrew.com/all-this/2021/10/how-many-thursdays/
https://jol.dev/blog/2021-11-16-n2-sed-challenge-join-cal-y-months-into-a-single-column.html
https://news.ycombinator.com/item?id=30929022 Bloben – Self-hosted web CalDAV calendar client
https://www.youtube.com/watch?v=iBRCL090PxA The Antikythera Mechanism Episode 11 - Inscribing The Back Plate - Part 1
https://terokarvinen.com/2021/calendar-txt/
https://phys.org/news/2023-01-lidar-reveals-ancient-mesoamerican-aligned.html
https://news.ycombinator.com/item?id=36785707
https://davidseah.com/node/compact-calendar/
https://news.ycombinator.com/item?id=38838946
https://news.ycombinator.com/item?id=39537327
https://news.ycombinator.com/item?id=43643343
https://news.ycombinator.com/item?id=44154511 moon
https://www.baeldung.com/java-temporal-adjuster
https://dzone.com/articles/a-look-at-stampedlock
https://www.javaspecialists.eu/talks/jfokus13/PhaserAndStampedLock.pdf
https://labs.ripe.net/author/christer-weinigel/best-practices-for-connecting-to-ntp-servers/
https://system76.com/time Network Time Security
https://muratbuffalo.blogspot.com/2021/03/sundial-fault-tolerant-clock.html
https://www.nist.gov/time-distribution/radio-station-wwv
https://www.siddharthsarda.com/p/time-in-distributed-systems
https://blog.google/products/earth/timelapse-in-google-earth/
https://wickstrom.tech/programming/2021/05/03/specifying-state-machines-with-temporal-logic.html
http://messymatters.com/tagtime/
https://www.fabiensanglard.net/timer_and_framerate/index.php
https://news.ycombinator.com/item?id=43831792
https://news.ycombinator.com/item?id=43293744
https://www.world-archaeology.com/features/the-antikythera-mechanism/
https://en.wikipedia.org/wiki/Corpus_Clock
https://github.com/Neeveshs/Pomodoro-Timer
https://www.tindie.com/products/nsayer/crazy-clock/
https://en.wikipedia.org/wiki/DCF77
https://blog.jgc.org/2021/07/receiving-wwvb-time-signal-in-portugal.html
https://www.pa3fwm.nl/projects/neonclock/
http://naggum.no/lugm-time.html
https://www.tigerbeetle.com/post/three-clocks-are-better-than-one
https://thehtime.com/ Combining UTC and local times (time zones) in one new clock
https://en.wikipedia.org/wiki/Beverly_Clock
https://www.nist.gov/pml/time-and-frequency-division/time-realization/primary-standard-nist-f1
https://blog.jgc.org/2022/06/the-mysterious-behaviour-of-flying.html
https://www.amusingplanet.com/2022/02/the-pneumatic-clocks-of-paris.html
https://literature-clock.jenevoldsen.com/
https://github.com/JohannesNE/literature-clock
https://somethingorotherwhatever.com/wobble-clock/
https://dvaluch.web.cern.ch/hh3/
https://www.lykahb.com/projects/clock.html
https://sophiehoulden.com/randomstuff/epitime/?revised
https://incoherency.co.uk/blog/stories/harrison-clocks.html
https://ironicsans.beehiiv.com/p/life-death-bulbdial-clock
https://news.ycombinator.com/item?id=42556808
https://news.ycombinator.com/item?id=42633035
https://observablehq.com/@roelandschoukens/astronomical-clock Praha
https://en.wikipedia.org/wiki/Time_crystal
https://longtermist.substack.com/p/microcenturies-methuselahs-and-musks
https://en.wikipedia.org/wiki/Sidereal_time
https://memgraph.com/blog/overflowing-timeout
https://aransentin.github.io/roman_calendar/
https://bibliodyssey.blogspot.com/2010/04/time-after-time.html
https://ariadne.space/2021/12/29/glibc-is-still-not-y2038-compliant-by-default/
https://www.thkukuk.de/blog/Y2038_glibc_utmp_64bit/
https://github.com/kangtastic/timestation
https://news.ycombinator.com/item?id=46750425
https://socket.dev/blog/temporal-api-ships-in-chrome-144-major-shift-for-javascript-date-handling
https://dl.acm.org/doi/10.1145/3718958.3750502
https://news.ycombinator.com/item?id=46389336
https://news.ycombinator.com/item?id=46368177
https://news.ycombinator.com/item?id=45842419
https://news.ycombinator.com/item?id=45930151
https://www.ctnicholas.dev/articles/dark-mode-by-sunlight
https://news.ycombinator.com/item?id=45552358
https://timesketch.org/ Using sketches you and your collaborators can easily organize your timelines and analyze them all at the same time. Add meaning to your raw data with rich annotations, comments, tags and stars.
https://github.com/google/timesketch python, opensearch, redis https://news.ycombinator.com/item?id=45324343
https://scottstuff.net/posts/2025/05/19/ntp-limits/
https://www.historicaltechtree.com/
https://news.ycombinator.com/item?id=44713716 Replacing cron jobs with a centralized task scheduler
https://news.ycombinator.com/item?id=44686246
https://news.ycombinator.com/item?id=44685875
https://news.ycombinator.com/item?id=44540241 js
https://news.ycombinator.com/item?id=44095176
https://news.ycombinator.com/item?id=43999748
https://news.ycombinator.com/item?id=43061803
https://news.ycombinator.com/item?id=42915437
https://news.ycombinator.com/item?id=42758257
https://news.ycombinator.com/item?id=42612842
https://news.ycombinator.com/item?id=42540792
https://news.ycombinator.com/item?id=42419895
https://news.ycombinator.com/item?id=42364372
https://phys.org/news/2024-10-jet-lag-scientists-secret-body.html
https://blogs.gentoo.org/mgorny/2024/09/28/the-perils-of-transition-to-64-bit-time_t/
https://news.ycombinator.com/item?id=40934608
https://news.ycombinator.com/item?id=39417231
https://www.phoronix.com/news/Debian-Experimental-64bit-Time
Simon-Initiative/oli-torus#4614
https://space.mit.edu/home/tegmark/dimensions.pdf
https://news.ycombinator.com/item?id=38333116
https://news.ycombinator.com/item?id=38333116
https://news.ycombinator.com/item?id=38305860
https://news.ycombinator.com/item?id=38222909
https://news.ycombinator.com/item?id=37880818
https://news.ycombinator.com/item?id=37835013
https://news.ycombinator.com/item?id=37339535
https://www.evanjones.ca/nanosecond-collisions.html
https://www.instructables.com/Mechanical-Apple-Watch-From-Real-E-Waste-Apple-Wat/
https://www.javaadvent.com/2019/12/measuring-time-from-java-to-kernel-and-back.html
https://ingep.net/breadboardwatch/
https://concerningquality.com/logical-time-determinism/
https://news.ycombinator.com/item?id=34925583
https://ciechanow.ski/mechanical-watch/
https://www2.cs.arizona.edu/~rts/sql3.html
https://rachelbythebay.com/w/2023/01/29/bash/
https://dotat.at/@/2022-12-04-leap-seconds.html
https://news.ycombinator.com/item?id=34496287
https://news.ycombinator.com/item?id=34532383
https://news.ycombinator.com/item?id=34507672
https://brandur.org/fragments/base32-slugs
https://www.epochalypse.today/
https://research.redhat.com/events/toward-knowledge-driven-system-management-to-control-timeliness/
https://www.sundialzone.com/en/sundial
https://isocpp.org//blog/2022/12/libstdcpp-gets-c20-chrono
https://engineering.fb.com/2022/11/21/production-engineering/precision-time-protocol-at-meta/
https://www.nature.com/articles/d41586-022-03783-5
http://leapsecond.com/java/gpsclock.htm
https://news.ycombinator.com/item?id=33608004
https://tylercipriani.com/blog/2022/10/17/whole-house-circadian-lighting-with-home-assistant/
https://javahippie.net/databases/bitemporality/2022/11/03/its-about-time-1.html
https://www.jefftk.com/p/history-of-zero-based-months
https://hookrace.net/blog/time.gif/
https://nickb.dev/blog/designing-a-rest-api-unix-time-vs-iso-8601/
https://research.redhat.com/events/toward-knowledge-driven-system-management-to-control-timeliness/
https://blog.ganssle.io/articles/2019/11/utcnow.html
http://hummingbirdclock.info/about
https://www.newyorker.com/tech/annals-of-technology/the-thorny-problem-of-keeping-the-internets-time
https://www.timeanddate.com/time/internettime.html
https://www.sundialzone.com/en/sundial
https://apenwarr.ca/log/20181113 mtime comparison considered harmful
https://news.ycombinator.com/item?id=32295674 Google Timer Is Gone
https://blat-blatnik.github.io/computerBear/making-accurate-sleep-function/
https://www.jokteur.com/a/integrated-timetable-switzerland/
https://markwhen.com/ Show HN: Markwhen: Markdown for Timelines
https://datetime.tools/conversion
https://nickb.dev/blog/designing-a-rest-api-unix-time-vs-iso-8601
https://codeblog.jonskeet.uk/2019/03/27/storing-utc-is-not-a-silver-bullet/
https://www.space.com/atomic-clock-one-second-300-billion-years
https://cookieplmonster.github.io/2022/02/17/year-2038-problem/
https://zachholman.com/posts/kobayashi-maru-of-comparing-dates-with-times
https://www.esa.int/Enabling_Support/Operations/ESA_determines_new_space_time
https://www.scientificamerican.com/article/how-measuring-time-shaped-history/
https://catalogofbias.org/biases/immortal-time-bias/
https://lobste.rs/s/9q5ph2/dates_times_calendars_universal_source
https://en.wikipedia.org/wiki/555_timer_IC
https://www.nature.com/articles/d41586-020-01499-y Carbon dating, the archaeological workhorse, is getting a major reboot
https://www.nist.gov/pml/time-and-frequency-division/time-services/ut1-ntp-time-dissemination
https://counting.substack.com/p/hate-leap-seconds-imagine-a-negative
https://jalopnik.com/honda-clocks-are-stuck-20-years-in-the-past-and-this-mi-1848306970
https://shademap.app/#47.24508,-120.08987,3.24198z,1641492931979t,-132.33425b,45p
https://blog.openreplay.com/is-it-time-for-the-javascript-temporal-api
https://longnow.org/ideas/02013/12/31/long-now-years-five-digit-dates-and-10k-compliance-at-home/
https://ilya.sukhar.com/blog/an-algorithmic-solution-to-insomnia.html
https://en.wikipedia.org/wiki/Time_formatting_and_storage_bugs
https://www.umsu.de/blog/2017/671
https://physicstoday.scitation.org/doi/full/10.1063/PT.3.4229 Telling time in Tokugawa Japan
https://blog.jinay.dev/posts/virality/
https://github.com/mvrozanti/dte Dte: A language for expressing and calculating date and time - Python
https://susam.in/blog/microcentury.html
https://www.reddit.com/r/programming/comments/q811cj/date_time_expression_a_language_for_expressing/
https://mm.icann.org/pipermail/tz/2021-September/030400.html Preparing to fork tzdb
https://github.com/frenkel/timer-for-harvest rust gtk
https://www.reddit.com/r/scala/comments/p1xps0/scalqa_perfect_time_library/
https://engineering.fb.com/2021/08/11/open-source/time-appliance/
https://gitlab.com/gpsd/gpsd/-/issues/144 GPSD time will jump back 1024 weeks at after week=2180 (23-October-2021)
https://www.benjoffe.com/fast-date-64