[ZBX-22539] Daylight saving time changes breaks SLA calculation Created: 2023 Mar 17  Updated: 2024 Apr 10  Resolved: 2023 Jul 26

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Frontend (F), Server (S)
Affects Version/s: 6.0.14
Fix Version/s: 6.0.20rc1, 6.4.5rc1, 7.0.0alpha3, 7.0 (plan)

Type: Problem report Priority: Trivial
Reporter: Karlis Salins Assignee: Andrejs Verza
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: PNG File Screenshot_20230316_112727.png     PNG File Screenshot_20230316_112800.png     PNG File Screenshot_20230316_112831.png    
Issue Links:
Causes
Team: Team A
Sprint: Sprint 98 (Mar 2023), Sprint 99 (Apr 2023), Sprint 100 (May 2023), Sprint 101 (Jun 2023), Sprint 102 (Jul 2023)
Story Points: 0.5

 Description   

Steps to reproduce:

  1. Set up SLA properly
  2. Wait for Daylight Saving time to change

Result:
SLA not calculated properly

Expected:
Daylight saving time change does not affect SLA calculations

Added screenshot that show events showing up at proper time:

Timezone is properly set up on the frontend side as well and it is synced.

Local time: Thu 2023-03-16 12:40:06 MDT
Universal time: Thu 2023-03-16 18:40:06 UTC
RTC time: Thu 2023-03-16 18:40:06
Time zone: America/Denver (MDT, -0600)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no

Before the DST change, everything was working as expected.



 Comments   
Comment by Andrejs Verza [ 2023 Mar 24 ]

Resolved in development branch feature/ZBX-22539-6.0

Comment by Andrejs Verza [ 2023 Jul 18 ]

Fixed in:

Generated at Fri Mar 28 22:22:55 EET 2025 using Jira 9.12.4#9120004-sha1:625303b708afdb767e17cb2838290c41888e9ff0.