A tzdata enhancement update (aarch64) has been released for Oracle Linux 7.

El-errata: ELBA-2020-1982 Oracle Linux 7 tzdata enhancement update (aarch64)

Oracle Linux Bug Fix Advisory ELBA-2020-1982

  http://linux.oracle.com/errata/ELBA-2020-1982.html

The following updated rpms for Oracle Linux 7 have been uploaded to the
Unbreakable Linux Network:

aarch64:
tzdata-2020a-1.el7.noarch.rpm
tzdata-java-2020a-1.el7.noarch.rpm

SRPMS:
  http://oss.oracle.com/ol7/SRPMS-updates/tzdata-2020a-1.el7.src.rpm


Description of changes:

[2020a-1]
- Rebase to tzdata-2020a
- Morocco will spring forward on 2020-05-31 rather than
previously predicted 2020-05-24.
- Canada's Yukon region changed to year round UTC -07
effective 2020-03-08.
- America/Godthab was renamed to America/Nuuk.