Time Zone
150253·updated May 18, 2026any of the 24 regions of the globe (loosely divided by longitude) throughout which the same standard time is used
Source
) and mission and business requirements (e.g., time zone differences,the sentence this term was read in
A web lookup ran when this term was proposed
"Time zone" as used in information security and compliance authority documents is the ordinary geographic concept — a region observing a uniform offset from UTC — employed without redefinition. It denotes an area observing a uniform standard time, each defined by a standard offset from Coordinated Universal Time (UTC). Security and compliance frameworks invoke it in its plain sense as an operational constraint: organizations are advised to be aware of time zone offsets in logs — many standardise on UTC for security logs — so that when log timestamps are correlated in a SIEM, they tell a single, coherent story. From a policy standpoint, changing the time zone represents little vulnerability because system time is not affected; the setting merely enables users to display their preferred time zone while remaining synchronised with domain controllers in different time zones. The phrase is compositional: neither security standards bodies nor regulators assign it a meaning beyond its common usage.
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Proposed during multiword review of this document in the CKI mapping queue.
Attested in
Classifications
Entity Type
Sensitivity
Information Class
Variants
- plural
- time zonesTime Zones
- possessive
- time zone'sTime Zone's
- pluralpossessive
- time zones'Time Zones'
Framework definitions
- §1
- any of the 24 regions of the globe (loosely divided by longitude) throughout which the same standard time is used
- §1 · attested_usage_reviewer_confirmed
- No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.Increment 2: attested in 800-171r3 without a glossary definition.
- §1 · legacy_primary
- any of the 24 regions of the globe (loosely divided by longitude) throughout which the same standard time is usedDR-088 backfill from the noun definition column