Update tzdata to 2021a

Author: pganssle

NEWS.md

@@ -1,3 +1,23 @@
+# Version 2021.1
+Upstream version 2021a released 2021-01-24T18:54:57+00:00
+
+## Changes to future timestamps
+
+South Sudan changes from +03 to +02 on 2021-02-01 at 00:00. (Thanks to Steffen
+Thorsen.)
+
+---
+
+# Version 2020.6
+Upstream version 2020f released 2020-12-29T08:17:46+00:00
+
+## Change to build procedure
+
+'make rearguard_tarballs' no longer generates a bad rearguard.zi, fixing a 2020e
+bug.  (Problem reported by Deborah Goldsmith.)
+
+---
+
 # Version 2020.5
 Upstream version 2020e released 2020-12-22T23:14:34+00:00
 
@@ -45,6 +65,7 @@ Time with US DST in 2018, rather than as maintaining EDT until 2015-11-01.
 The zic man page now documents zic's coalescing of transitions when a zone falls
 back just before DST springs forward.
 
+
 ---
 
 # Version 2020.4

VERSION

@@ -1 +1 @@
-2020.5
+2021.1

news.d/2020f.md

@@ -0,0 +1,7 @@
+# Version 2020.6
+Upstream version 2020f released 2020-12-29T08:17:46+00:00
+
+## Change to build procedure
+
+'make rearguard_tarballs' no longer generates a bad rearguard.zi, fixing a 2020e
+bug.  (Problem reported by Deborah Goldsmith.)

news.d/2021a.md

@@ -0,0 +1,7 @@
+# Version 2021.1
+Upstream version 2021a released 2021-01-24T18:54:57+00:00
+
+## Changes to future timestamps
+
+South Sudan changes from +03 to +02 on 2021-02-01 at 00:00. (Thanks to Steffen
+Thorsen.)

src/tzdata/__init__.py

@@ -1,6 +1,6 @@
 # IANA versions like 2020a are not valid PEP 440 identifiers; the recommended
 # way to translate the version is to use YYYY.n where `n` is a 0-based index.
-__version__ = "2020.5"
+__version__ = "2021.1"
 
 # This exposes the original IANA version number.
-IANA_VERSION = "2020e"
+IANA_VERSION = "2021a"

src/tzdata/zoneinfo/Africa/Juba

@@ -72,11 +72,11 @@ Leap	2016	Dec	31	23:59:60	+	S
 # Any additional leap seconds will come after this.
 # This Expires line is commented out for now,
 # so that pre-2020a zic implementations do not reject this file.
-#Expires 2021	Jun	28	00:00:00
+#Expires 2021	Dec	28	00:00:00
 
 # POSIX timestamps for the data in this file:
 #updated 1467936000 (2016-07-08 00:00:00 UTC)
-#expires 1624838400 (2021-06-28 00:00:00 UTC)
+#expires 1640649600 (2021-12-28 00:00:00 UTC)
 
-#	Updated through IERS Bulletin C60
-#	File expires on:  28 June 2021
+#	Updated through IERS Bulletin C61
+#	File expires on:  28 December 2021

src/tzdata/zoneinfo/leapseconds

@@ -1,4 +1,4 @@
-# version 2020e
+# version 2021a
 # This zic input file is in the public domain.
 R d 1916 o - Jun 14 23s 1 S
 R d 1916 1919 - O Su>=1 23s 0 -
@@ -400,7 +400,8 @@ Z Africa/Khartoum 2:10:8 - LMT 1931
 2 - CAT
 Z Africa/Juba 2:6:28 - LMT 1931
 2 SD CA%sT 2000 Ja 15 12
-3 - EAT
+3 - EAT 2021 F
+2 - CAT
 R n 1939 o - Ap 15 23s 1 S
 R n 1939 o - N 18 23s 0 -
 R n 1940 o - F 25 23s 1 S