If you're writing a calendar app, then you should probably store the triple of `local time`, `time zone name`, `version of time zone database used to look up ti

If you're writing a calendar app, then you should probably store the triple of `local time`, `time zone name`, `version of time zone database used to look up time zone name` https://codeblog.jonskeet.uk/2019/03/27/storing-utc-is-not-a-silver-bullet/ https://codeblog.jonskeet.uk/2019/03/27/storing-utc-is-not-a... and http://www.creativedeletion.com/2015/03/19/persisting_future_datetimes.html http://www.creativedeletion.com/2015/03/19/persisting_future...