Comments (1)
No, the tzinfo-data gem is not needed on Linux.
TZInfo can read the system zoneinfo time zone files included in most Linux distributions and can therefore be used without the tzinfo-data gem.
You may still prefer to use tzinfo-data on Linux if:
- Your application needs to precisely control the version of the IANA time zone database being used.
- Your application cares about the difference between time zones defined by a set of transition times and those defined as links to or aliases of other time zones. Information about links/aliases is not available in the system zoneinfo files, but is included in tzinfo-data.
- The accuracy of
TimezonePeriod#std_offset
(the amount of time the clock is advanced in periods where daylight savings time is observed) is critical to your application. This information is not available in the system zoneinfo files, so has to be estimated by observing clock changes during transitions. The tzinfo-data gem includes the precisestd_offset
values. Note thatTimezonePeriod#utc_total_offset
will always be correct with both zoneinfo files and the tzinfo-data gem.
from tzinfo-data.
Related Issues (17)
- TZInfo::AmbiguousTime: 1895-12-31 23:59:59 UTC is an ambiguous local time. (Asia/Taipei) HOT 3
- test failure HOT 8
- Invalid result when formatting time zone as hour and minute offset from UTC HOT 1
- "The dependency tzinfo-data will be unused" on Ubuntu HOT 7
- ar
- cant update tzinfo-data HOT 5
- Thank you! HOT 2
- Deprecated time zones. HOT 4
- Supporting SystemV time zones HOT 4
- GitHub Pages website out of date HOT 2
- America/Montreal is missing from zone.tab HOT 5
- Invalid DST timestamp for America/Santiago time zone. HOT 2
- tzinfo-data dependency unresolvable against tzinfo 0.3 HOT 2
- Hitting TZInfo::DataSourceNotFound: No timezone data source could be found. with a fresh install of rail 4.1.0 HOT 18
- 2015f is out HOT 6
- No source of timezone data could be found. (TZInfo::DataSourceNotFound) HOT 6
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from tzinfo-data.