Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for East Greenland Summer Time:
Daylight Saving Time (DST) Transitions
⬆️ Spring Forward (Clocks Advance)
Clocks advance from EGT on the last Sunday in March at 00:00
⬇️ Fall Back (Clocks Return)
Clocks return to EGT on the last Sunday in October at 01:00
Observing Jurisdictions & Subdivisions
1 Sovereign NationsSovereign nations, administrative subdivisions, and regional territories officially operating under EGST:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Summer maritime research and cruise ship navigation along the fjords of Scoresby Sound.
Local Hours: 09:00 - 16:00 EGST
UTC Window: 10:00 - 17:00 UTC
Major Cities in EGST
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1980
Summer daylight time observed in eastern Greenland, matching UTC-1 alongside European summer dates.
Scoresby Sound in this zone is the longest and deepest fjord system on Earth, spanning over 350 kilometers.
Frequently Asked Questions about EGST
What is EGST?
EGST stands for East Greenland Summer Time (UTC-1).
When does East Greenland observe summer time?
From late March to late October.
What is the standard time counterpart to EGST?
East Greenland Time (EGT, UTC-2) is the standard counterpart.