GST to EEST
-1hGST
GSTSOURCEEEST
EESTGreen rows indicate typical business hours (9 AM - 5 PM)
GST and EEST on the World Map
The map below highlights the GST (Gulf Standard Time) and EEST (Eastern European Summer Time) timezone regions across the globe.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
EEST – Eastern European Summer Time
UTC+03:00Eastern European Summer Time (EEST, UTC+03:00) is the daylight saving period across eastern Europe, from late March to late October.
- •EEST runs from the last Sunday in March to the last Sunday in October.
- •EEST is one hour ahead of Eastern European Time (EET, UTC+02:00).
- •During EEST, eastern Europe is level with Moscow, Istanbul and Riyadh.
- •EEST follows the EU-wide summer time schedule.
Everything You Need to Know About GST and EEST Time
GST runs on Gulf Standard Time (GST) at UTC+04:00. EEST runs on Eastern European Summer Time (EEST) at UTC+03:00. That puts GST 1 hour behind EEST — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in GST it is 8:00 AM in EEST. Midnight in GST is 11:00 PM in EEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
GST to EEST time conversion table
| GST (GST) | EEST (EEST) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert GST to EEST time
- Scheduling a call from GST to EEST: a 10:00 AM start in GST lands at 9:00 AM in EEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both GST and EEST are inside the 9-to-5 working day between 10:00 AM and 5:00 PM GST time (9:00 AM–4:00 PM EEST). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking EEST local time against GST keeps pickup windows and arrival estimates honest across the -1h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM GST" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM GST as the recurring meeting window if you work primarily from GST and need EEST colleagues present.
About GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
About EEST (Eastern European Summer Time)
Eastern European Summer Time (EEST) is the daylight saving period used across eastern Europe, when clocks move one hour forward from Eastern European Time (EET, UTC+02:00) to UTC+03:00. It runs from the last Sunday in March to the last Sunday in October, in step with the rest of the European Union. EEST covers Greece, Finland, Romania, Bulgaria, the Baltic states, Ukraine and Moldova, and matches the offset used year-round by Moscow, Istanbul and Riyadh during those months. Athens and Helsinki both sit near the western edge of the EEST band, so summer evenings stay light well past 21:00.
Best time to call between GST and EEST
Both GST and EEST sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM GST, which is 9:00 AM–4:00 PM EEST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
GST and EEST share 7 hours of working-hours overlap (10:00 AM–5:00 PM GST), so scheduling a live meeting is straightforward.
GST is 1 hour behind EEST (GST UTC+04:00 → EEST UTC+03:00). The shared working window is 10:00 AM–5:00 PM GST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
GST
Does not observe DST
EEST
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between GST and EEST?
GST (GST, UTC+04:00) is 1 hour behind EEST (EEST, UTC+03:00). The gap is currently -1h.
How do I convert GST time to EEST time?
Add -1h to GST local time. For example, 9:00 AM in GST is 8:00 AM in EEST.
What time is it in EEST right now?
EEST uses EEST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from GST.
What is the best time to call EEST from GST?
Call between 10:00 AM and 5:00 PM GST — that maps to 9:00 AM–4:00 PM EEST and keeps both parties inside the working day.
Which is behind, GST or EEST?
GST is 1 hour behind EEST. When it is 12:00 PM in GST it is 11:00 AM in EEST.
Does daylight saving time affect the GST–EEST difference?
Neither zone observes daylight saving time, so the -1h offset between GST and EEST is fixed all year.
Which other cities share GST's time zone?
GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
Which countries use GST, GST's zone?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Is there a day difference between GST and EEST?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between GST and EEST?
EEST is -1h from GST.
What timezone is GST in?
GST operates on its local timezone.
What timezone is EEST in?
EEST operates on its local timezone.
Which countries use GST (Gulf Standard Time)?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Does GST observe daylight saving time?
No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.
What are some interesting facts about GST?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
Which cities are in the EEST timezone?
Major cities in the EEST timezone include Athens, Helsinki, Bucharest, Sofia, Kyiv, Riga.
What is the UTC offset for EEST?
Eastern European Summer Time (EEST) is at UTC+03:00. During daylight saving time, it shifts to EEST.
What should I know about the EEST timezone?
EEST runs from the last Sunday in March to the last Sunday in October. EEST is one hour ahead of Eastern European Time (EET, UTC+02:00).
When is it midnight in GST, what time is it in EEST?
When it is 12:00 AM (midnight) in GST (GST), it is -1h later in EEST (EEST).
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