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Added LocalClock.

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Per Malmberg
2018-03-11 23:38:12 +01:00
parent 582d0c4369
commit 9f7c5dc2fa
5 changed files with 44 additions and 26 deletions
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README.md
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@ -1,9 +1,11 @@
# libcron
A C++ scheduling library using cron formatting.
# Time zones
# Local time vs UTC
This library uses `std::chrono::system_clock::timepoint` as its time unit, thus all calculations are in UTC.
This library uses `std::chrono::system_clock::timepoint` as its time unit. While that is UTC by default, the Cron-class
uses a `LocalClock` by default which offsets `system_clock::now()` by the current UTC-offset. If you wish to work in
UTC, then construct the Cron instance, passing it a `libcron::UTCClock`.
# Supported formatting
@ -67,5 +69,5 @@ the '?'-character unless one field already is something other than '*'.
# Third party libraries
Howard Hinnant's [date.h](https://github.com/HowardHinnant/date/)
Howard Hinnant's [date libraries](https://github.com/HowardHinnant/date/)