ICT to EEST
-4hICT
ICTSOURCEEEST
EESTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and EEST on the World Map
The map below highlights the ICT (Indochina Time) and EEST (Eastern European Summer Time) timezone regions across the globe.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
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.
Comparing Time Zones: ICT and EEST
ICT runs on Indochina Time (ICT) at UTC+07:00. EEST runs on Eastern European Summer Time (EEST) at UTC+03:00. That puts ICT 4 hours behind EEST — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in ICT it is 5:00 AM in EEST. Midnight in ICT is 8:00 PM in EEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
ICT to EEST time conversion table
| ICT (ICT) | EEST (EEST) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert ICT to EEST time
- Scheduling a call from ICT to EEST: a 10:00 AM start in ICT lands at 6:00 AM in EEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both ICT and EEST are inside the 9-to-5 working day between 1:00 PM and 5:00 PM ICT time (9:00 AM–1:00 PM EEST). That is roughly 4 hours of usable overlap.
- Booking travel or deliveries: tracking EEST local time against ICT keeps pickup windows and arrival estimates honest across the -4h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM ICT as the recurring meeting window if you work primarily from ICT and need EEST colleagues present.
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
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 ICT and EEST
Both ICT and EEST sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM ICT, which is 9:00 AM–1:00 PM EEST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
ICT and EEST overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
ICT is 4 hours behind EEST (ICT UTC+07:00 → EEST UTC+03:00). The shared working window is 1:00 PM–5:00 PM ICT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
ICT
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 ICT and EEST?
ICT (ICT, UTC+07:00) is 4 hours behind EEST (EEST, UTC+03:00). The gap is currently -4h.
How do I convert ICT time to EEST time?
Add -4h to ICT local time. For example, 9:00 AM in ICT is 5:00 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 -4h offset from ICT.
What is the best time to call EEST from ICT?
Call between 1:00 PM and 5:00 PM ICT — that maps to 9:00 AM–1:00 PM EEST and keeps both parties inside the working day.
Which is behind, ICT or EEST?
ICT is 4 hours behind EEST. When it is 12:00 PM in ICT it is 8:00 AM in EEST.
Does daylight saving time affect the ICT–EEST difference?
Neither zone observes daylight saving time, so the -4h offset between ICT and EEST is fixed all year.
Which other cities share ICT's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, ICT's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between ICT and EEST?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between ICT and EEST?
EEST is -4h from ICT.
What timezone is ICT in?
ICT operates on its local timezone.
What timezone is EEST in?
EEST operates on its local timezone.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
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 ICT, what time is it in EEST?
When it is 12:00 AM (midnight) in ICT (ICT), it is -4h later in EEST (EEST).
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See every conversion from ICT →·See every conversion from EEST →