utc

来源： https://stackoverflow.com/questions/36493996/utc-datetime-conversion-to-local-time

来源： https://stackoverflow.com/questions/52505498/carbon-parse-iso-8601-string-to-utc-date-and-record-it-to-db

来源： https://stackoverflow.com/questions/62978436/how-can-i-turn-utc-timezone-off-for-mongodb

来源： https://stackoverflow.com/questions/42468753/java-8-zoneoffset-how-to-get-current-system-utc-offset

来源： https://stackoverflow.com/questions/42468753/java-8-zoneoffset-how-to-get-current-system-utc-offset

问题 I get a timestamp from a GPS device in a gps_data struct as a double. I'd like to convert this GPS timestamp to UTC and TAI times, something simple as: void handle_gps_timestamp(double timestamp) { double utc = utc_from_gps(timestamp); double tai = tai_from_gps(timestamp); do_stuff(gps, utc, tai); } Luckily I found Howard Hinnant's date and timezone library (proposed for C++20) that seems to provide this exact functionality. Unfortunately, at least from what I can see, the date/tz/chrono

问题 I'm trying to understand the difference between UTC and ISO formats and when to use what when transferring messages between servers. So When I try the following this is what I get new Date().toISOString() "2019-11-14T00:55:31.820Z" new Date().toUTCString() "Thu, 14 Nov 2019 00:55:16 GMT" I understand the ISO format and its a standard used to represent time, but what is the purpose of UTC and where would I use them? 回答1: tl;dr Always use ISO 8601 format: 2019-11-14T00:55:31.820Z Avoid the

问题 I'm trying to understand the difference between UTC and ISO formats and when to use what when transferring messages between servers. So When I try the following this is what I get new Date().toISOString() "2019-11-14T00:55:31.820Z" new Date().toUTCString() "Thu, 14 Nov 2019 00:55:16 GMT" I understand the ISO format and its a standard used to represent time, but what is the purpose of UTC and where would I use them? 回答1: tl;dr Always use ISO 8601 format: 2019-11-14T00:55:31.820Z Avoid the

问题 I'm trying to understand the difference between UTC and ISO formats and when to use what when transferring messages between servers. So When I try the following this is what I get new Date().toISOString() "2019-11-14T00:55:31.820Z" new Date().toUTCString() "Thu, 14 Nov 2019 00:55:16 GMT" I understand the ISO format and its a standard used to represent time, but what is the purpose of UTC and where would I use them? 回答1: tl;dr Always use ISO 8601 format: 2019-11-14T00:55:31.820Z Avoid the

问题 I have an application in another TIME_ZONE , but I want to keep all generated logs in UTC. I already defined my own Formatter for Python logging, and all logger calls that I have throughout the app, are all using UTC, but django.request logs, are still using locale's app timezone (both logs bellow, were generated by a single request): Django Request Logger: [10/Jun/2020 16:59:52] "POST /api/v1/report/ HTTP/1.1" 200 761 Application Logger: [10/Jun/2020 23:00:02] INFO - REPORT_OK {'country':