EEST to COT
-8hEEST
EESTSOURCECOT
COTGreen rows indicate typical business hours (9 AM - 5 PM)
EEST and COT on the World Map
The map below highlights the EEST (Eastern European Summer Time) and COT (Colombia Time) timezone regions across the globe.
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.
COT – Colombia Time
UTC-05:00Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.
- •Colombia does not observe daylight saving time.
- •COT is the same offset as EST (UTC-05:00).
- •Bogotá sits at 2,640m elevation, making it one of the highest capital cities.
Comparing Time Zones: EEST and COT
EEST runs on Eastern European Summer Time (EEST) at UTC+03:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts EEST 8 hours behind COT — a difference of -8h at the current offsets.
In practice, when it is 9:00 AM in EEST it is 1:00 AM in COT. Midnight in EEST is 4:00 PM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EEST to COT time conversion table
| EEST (EEST) | COT (COT) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | previous day |
| 6:00 AM | 10:00 PM | previous day |
| 7:00 AM | 11:00 PM | previous day |
| 8:00 AM | 12:00 AM | same day |
| 9:00 AM | 1:00 AM | same day |
| 12:00 PM | 4:00 AM | same day |
| 3:00 PM | 7:00 AM | same day |
| 5:00 PM | 9:00 AM | same day |
| 6:00 PM | 10:00 AM | same day |
| 9:00 PM | 1:00 PM | same day |
Why people convert EEST to COT time
- Scheduling a call from EEST to COT: a 10:00 AM start in EEST lands at 2:00 AM in COT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -8h gap: EEST and COT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in COT is 1:00 AM in EEST.
- Keeping family and friends in sync: knowing that 8:00 PM in EEST is 12:00 PM in COT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM EEST" is unambiguous; "3 PM" across a -8h gap is not.
- With a -8h gap there is no shared 9-to-5 window, so alternate the early start: one week EEST takes the early slot, the next week COT does.
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.
About COT (Colombia Time)
Colombia Time (COT) is used throughout Colombia. Colombia does not observe daylight saving time. COT shares the same offset as EST (UTC-05:00). Bogotá, the capital, is one of the largest cities in South America.
Best time to call between EEST and COT
With a -8h offset there is no overlap inside a normal 9 AM – 5 PM day. COT opens at 9:00 AM COT, which is 1:00 AM in EEST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
EEST and COT have no shared working hours because of the -8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
EEST is 8 hours behind COT (EEST UTC+03:00 → COT UTC-05:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EEST
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
COT
Does not observe DST
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 EEST and COT?
EEST (EEST, UTC+03:00) is 8 hours behind COT (COT, UTC-05:00). The gap is currently -8h.
How do I convert EEST time to COT time?
Add -8h to EEST local time. For example, 9:00 AM in EEST is 1:00 AM in COT.
What time is it in COT right now?
COT uses COT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -8h offset from EEST.
What is the best time to call COT from EEST?
There is no shared working-hours window because of the -8h gap. The closest option is 1:00 PM in EEST, which is 5:00 AM in COT.
Which is behind, EEST or COT?
EEST is 8 hours behind COT. When it is 12:00 PM in EEST it is 4:00 AM in COT.
Does daylight saving time affect the EEST–COT difference?
Neither zone observes daylight saving time, so the -8h offset between EEST and COT is fixed all year.
Which other cities share EEST's time zone?
EEST also covers Athens, Helsinki, Bucharest, Sofia, Kyiv, Riga.
Which countries use EEST, EEST's zone?
EEST is used in Greece, Finland, Romania, Bulgaria, Estonia, Latvia, Lithuania, Ukraine and 2 more.
Is there a day difference between EEST and COT?
Not normally. The -8h gap only pushes the date over the previous day.
What is the time difference between EEST and COT?
COT is -8h from EEST.
What timezone is EEST in?
EEST operates on its local timezone.
What timezone is COT in?
COT operates on its local timezone.
Which countries use EEST (Eastern European Summer Time)?
EEST is used in Greece, Finland, Romania, Bulgaria, Estonia, Latvia, and 4 more countries.
Does EEST observe daylight saving time?
Yes, EEST switches to EEST during summer months.
What are some interesting facts about EEST?
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).
Which cities are in the COT timezone?
Major cities in the COT timezone include Bogotá, Medellín, Cali, Barranquilla, Cartagena.
What is the UTC offset for COT?
Colombia Time (COT) is at UTC-05:00.
What should I know about the COT timezone?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
When is it midnight in EEST, what time is it in COT?
When it is 12:00 AM (midnight) in EEST (EEST), it is -8h later in COT (COT).
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See every conversion from EEST →·See every conversion from COT →