Modifying the time settings for JIRA send a filter subscription
JIRA mail from filter subscriptions based on the system timezone instead of the user timezone. Some users may complain about receiving filter subscription on a different time as they were supposed to. There's an improvement request for modifying the current behavior:
One potential cause is the user timezone configuration is different than the system timezone.
Current there is no solution to this, but you may be able to minimize the scope of this issue. If the majority of users are located within the same timezone, you may need to configure JIRA to use the same timezone as them. See here: