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If we add the timezone in system properties will it impact sla, schedule jobs and others

PhanitaM
Tera Contributor

2 hours ago

Hi Team, I have a query , that if we add the timezone in system properties will it impact the  SLA's , scheduled jobs etc . can someone please help on this.

PhanitaM_0-1759770650231.png

Thanks,

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2 REPLIES 2

YaswanthKurre
Tera Guru

2 hours ago

Hi @PhanitaM ,

 

Changing the system timezone in ServiceNow can affect how SLA timers, scheduled jobs, and other time-based logic behave. SLA calculations may shift if they rely on system time, scheduled jobs will run at different times based on the new timezone, and any scripts or workflows using time functions will reflect the updated timezone. It's important to test thoroughly in a sub-production environment before making this change in production.

 

Please refer this article: System and User Timezones in ServiceNow - Support and Troubleshooting

 

Mark this as helpful and correct, if this helps you.

 

Thanks,

Yaswanth

 

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vignesh parthib
Tera Guru

43m ago

Hi @PhanitaM 

 

No, it will not directly impact SLAs or scheduled jobs.
But it can affect how date/time values are displayed to users, especially if users do not have their own time zone set.

 

Time Zone Usage by Component in ServiceNow

SLA Calculations

  • Follow the time zone set in the SLA Schedule (e.g., EST, PST).

  • SLA timers align with business hours defined in the schedule.

Scheduled Jobs (e.g., Scheduled Scripts, Events, Workflows)

  • Run based on server/system time (typically UTC).

  • Only affected if the server time zone itself is changed.

  • Changing glide.sys.default.tz does not impact when jobs run.

User Interface Display

  • Uses the user’s time zone (set in their user profile).

  • If no user time zone is set, falls back to glide.sys.default.tz.

  • Affects how dates/times are displayed in the UI, reports, and notifications — not how they’re stored or processed.

Service Level Agreements: Business Hours, Schedules & Time Zones 

Service Level Agreements - Overriding TaskSLAController Functions 

 

Note: Validate and Test all time-sensitive processes, including SLAs, scheduled jobs, and reports.

 

Thanks,
Vignesh
"If this solution resolves your issue, kindly mark it as correct.

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