diff --git a/backport-Egypt-now-uses-DST-again.patch b/backport-Egypt-now-uses-DST-again.patch
new file mode 100644
index 0000000..737e342
--- /dev/null
+++ b/backport-Egypt-now-uses-DST-again.patch
@@ -0,0 +1,47 @@
+From dcd8cbed23201416cbd3bbf43f669737693282d7 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Wed, 1 Mar 2023 12:10:57 -0800
+Subject: [PATCH 1/2] Egypt now uses DST again
+
+Reference: https://github.com/eggert/tz/commit/dcd8cbed23201416cbd3bbf43f669737693282d7
+Conflict: remove NEWS; context
+
+From 2023 Egypt plans to observe DST from April's last Friday
+through October's last Thursday (Thanks to Ahmad ElDardiry.)
+Assume 00:00 and 24:00 transitions.
+* NEWS: Mention this.
+* africa (Egypt): Implement this.
+---
+ africa | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/africa b/africa
+index d5f80ac..b4d0694 100644
+--- a/africa
++++ b/africa
+@@ -343,6 +343,13 @@ Rule	Egypt	2007	only	-	Sep	Thu>=1	24:00	0	-
+ # From Mina Samuel (2016-07-04):
+ # Egyptian government took the decision to cancel the DST,
+ 
++# From Ahmad ElDardiry (2023-03-01):
++# Egypt officially announced today that daylight savings will be
++# applied from last Friday of April to last Thursday of October.
++# https://www.mena.org.eg/ar/news/dbcall/table/textnews/id/10044253
++# From Paul Eggert (2023-03-01):
++# Assume transitions are at 00:00 and 24:00 respectively.
++
+ Rule	Egypt	2008	only	-	Aug	lastThu	24:00	0	-
+ Rule	Egypt	2009	only	-	Aug	20	24:00	0	-
+ Rule	Egypt	2010	only	-	Aug	10	24:00	0	-
+@@ -352,6 +359,8 @@ Rule	Egypt	2014	only	-	May	15	24:00	1:00	S
+ Rule	Egypt	2014	only	-	Jun	26	24:00	0	-
+ Rule	Egypt	2014	only	-	Jul	31	24:00	1:00	S
+ Rule	Egypt	2014	only	-	Sep	lastThu	24:00	0	-
++Rule	Egypt	2023	max	-	Apr	lastFri	 0:00	1:00	S
++Rule	Egypt	2023	Max	-	Oct	lastThu	24:00	0	-
+ 
+ # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
+ Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
+-- 
+2.33.0
+
diff --git a/backport-Max-max.patch b/backport-Max-max.patch
new file mode 100644
index 0000000..f43296f
--- /dev/null
+++ b/backport-Max-max.patch
@@ -0,0 +1,33 @@
+From af242d11b62584808a66851b8707148bf1ee8d0a Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Thu, 2 Mar 2023 02:01:27 -0800
+Subject: [PATCH 2/2] =?UTF-8?q?Max=20=E2=86=92=20max?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Reference: https://github.com/eggert/tz/commit/af242d11b62584808a66851b8707148bf1ee8d0a
+Conflict: context
+
+* africa (Egypt): Use lower-case ‘max’ for consistency.
+(Thanks to Peter Krefting.)
+---
+ africa | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/africa b/africa
+index b4d0694..6ea984b 100644
+--- a/africa
++++ b/africa
+@@ -360,7 +360,7 @@ Rule	Egypt	2014	only	-	Jun	26	24:00	0	-
+ Rule	Egypt	2014	only	-	Jul	31	24:00	1:00	S
+ Rule	Egypt	2014	only	-	Sep	lastThu	24:00	0	-
+ Rule	Egypt	2023	max	-	Apr	lastFri	 0:00	1:00	S
+-Rule	Egypt	2023	Max	-	Oct	lastThu	24:00	0	-
++Rule	Egypt	2023	max	-	Oct	lastThu	24:00	0	-
+ 
+ # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
+ Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
+-- 
+2.33.0
+
diff --git a/tzdata.spec b/tzdata.spec
index 9a7968c..298775e 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,6 +1,6 @@
 Name:		tzdata
 Version:	2022a
-Release:	11
+Release:	12
 Summary:	Timezone data
 License:	Public Domain
 URL:		https://www.iana.org/time-zones
@@ -22,6 +22,8 @@ Patch6009:	backport-Treat-1931-changes-in-Mexico-as-DST.patch
 Patch6010:	backport-Greenland-change-should-affect-only-America-Nuuk.patch
 Patch6011:	backport-The-northern-edge-of-Chihuahua-changes-to-US-rules.patch
 Patch6012:	backport-Much-of-Greenland-still-uses-DST-from-2024-on.patch
+Patch6013:	backport-Egypt-now-uses-DST-again.patch
+Patch6014:	backport-Max-max.patch
 
 Patch9000:	bugfix-0001-add-Beijing-timezone.patch
 Patch9001:	remove-country-selection-from-tzselect-steps.patch
@@ -122,6 +124,12 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
+* Fri Mar 10 2023 qinyu<qinyu32@huawei.com> - 2022a-12
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC: Egypt now uses DST again
+
 * Mon Dec 5 2022 qinyu<qinyu32@huawei.com> - 2022a-11
 - Type:bugfix
 - CVE:NA