ELBA-2026-20539

ELBA-2026-20539 - tzdata bug fix and enhancement update

Type:	BUG
Impact:	NA
Release Date:	2026-07-30

Description

[2026b-1]
- Update to tzdata-2026b (RHEL-170797)
- British Columbia's 2026-03-08 spring forward is expected
to be its last transition as it moves to permanent -07.

[2026a-1]
- Update to tzdata-2026a (RHEL-154033)
- Correct the transition times for Moldova.
- The POSIXRULES option is now obsolete.

[2025c-1]
- Update to tzdata-2025c (RHEL-135159)
- Update leap seconds file expiration date

[2025b-2]
- Included NEWS file with docs. (RHEL-102379)

[2025b-1]
- Update to tzdata-2025b (RHEL-84741)
- Chile's Aysen Region moves from -04/-03
to -03 year-round, diverging from America/Santiago and
creating a new zone America/Coyhaique.

[2025a-1]
- Update to tzdata-2025a (RHEL-74308)
- Paraguay is now permanently at -03. This impacts timestamps
starting on 2025-03-22.
- Includes improvements to pre-1991 data for the Philippines.
- Etc/Unknown is now reserved.

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 7 (x86_64)	tzdata-2026b-1.el7.src.rpm	d10aad36d335ed8c860e89d2b22a488b5e1c520d6a5192dd19ed301a47c7aaf9	-	ol7_x86_64_latest_ELS
	tzdata-2026b-1.el7.noarch.rpm	33e8eb353965850f462171c56dc9b34ad8701d23824dcc35104db323c8b54e89	-	ol7_x86_64_latest_ELS
	tzdata-java-2026b-1.el7.noarch.rpm	e048554e0c77acadf352bf00557d93972ae2c34d17702893e5dcde5924a27785	-	ol7_x86_64_latest_ELS

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team