Rebase to tzdata-2021b
Innclude patch for Mayen
Jordan now starts DST on February's last Thursday.
Samoa no longer observes DST.
Merge more location-based Zones whose timestamps agree since 1970.
Move some backward-compatibility links to 'backward'.
Rename Pacific/Enderbury to Pacific/Kanton.
Correct many pre-1993 transitions in Malawi, Portugal, etc.
zic now creates each output file or link atomically.
zic -L no longer omits the POSIX TZ string in its output.
zic fixes for truncation and leap second table expiration.
zic now follows POSIX for TZ strings using all-year DST.
Fix some localtime crashes and bugs in obscure cases.
zdump -v now outputs more-useful boundary cases.
tzfile.5 better matches a draft successor to RFC 8536.

Rebase to tzdata-2021a
South Sudan will change from +03 to +02 on 2021-02-01.

Rebase to tzdata-2020f including changes for tzdata-2020e
tzdata-2020f fixes a bug in tzdata-2020e that caused an
Volgograd changes time zone from UTC+04 to UTC+03 on 2020-12-27.
Australia/Currie is identical to Australia/Hobart for all

Rebase to tzdata-2020d
Palestine will end summer time on 2020-10-24 rather than the
10-31.

Rebase to tzdata-2020c
Fiji starts DST later than usual, on 2020-12-20.
Rearguard now provides an empty file pacificnew to support

Include the upstream patch to support pacificnew for java tzupdater.
Set POSIXRULES macro to continue installing posixrules file.

Rebase to tzdata-2020b
Yukon timezones represented by America/Whitehorse and
08/-07 to
07 on 2020-11-01, not on 2020-03-08 as 2020a had it.
The most recent winter(+08)/summer(+11) transition for Casey Station,
10-04 00:01.
Remove obsolete files pacificnew, systemv, and yearistype.sh

Rebase to tzdata-2020a
Morocco will spring forward on 2020-05-31 rather than
05-24.
Canada's Yukon region changed to year round UTC -07
03-08.
America/Godthab was renamed to America/Nuuk.

Rebase to tzdata-2019c
Fiji will observe DST from 2019-11-10 to 2020-01-12.
Norfolk Island will begin observing Australian-style DST on 2019-10-06.

Rebase to tzdata-2019b
Brazil will no longer observe DST going forward.
The 2019 spring transition for Palestine occurred 03-29, not 03-30.

Rebase to tzdata-2019a
Palestine will start DST on 2019-03-30, rather than 2019-03-23 as
Metlakatla rejoined Alaska time on 2019-01-20, ending its observances

Rebase to tzdata-2018i (includes changes from tzdata-2018h)
SĂŁo TomĂŠ and PrĂ­ncipe changed from UTC+01 to UTC+00 on 2019-01-01.
Qyzylorda, Kazakhstan changed from UTC+06 to UTC+05 on 2018-12-21.
Created a new zone Asia/Qostanay since Qostanay, Kazakhstan didn't
Metlakatla, Alaska will observe PST for this winter only.
Predict that Morocco will continue to adjust clocks around Ramadan.
Also include predictions for Iran from 2038 through 2090.

Rebase to tzdata-2018g
Morocco will remain at UTC+1 rather than switching back to UTC+0 as
Include changes introduced in tzdata-2018f
Volgograd will change from UTC+03 to UTC+04 on 2018-10-28 at 02:00.
Fiji will end DST on 2019-01-13 instead of the 2019-01-20 as
Most of Chile will end DST on the first Saturday in April at 24:00

Add make check for testing.

Rebase to tzdata-2018e
North Korea changed from UTC+8:30 to UTC+9 on May 5, 2018.
In this update, the upstream project now defaults to using

Rebase to tzdata-2018d:
DST for Asia/Gaza and Asia/Hebron has changed
Antarctica/Casey station changed to UTC+8 on March 11.