PHT to COT
-13hPHT
PHTSOURCECOT
COTGreen rows indicate typical business hours (9 AM - 5 PM)
PHT and COT on the World Map
The map below highlights the PHT (Philippine Time) and COT (Colombia Time) timezone regions across the globe.
PHT – Philippine Time
UTC+08:00Philippine Time (PHT, UTC+08:00) is the time zone for the Philippines, 8 hours ahead of UTC.
- •Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year.
- •PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
- •Manila is one of the largest outsourcing hubs in the world.
- •The Philippines spans one time zone despite being an archipelago of over 7,600 islands.
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.
Understanding the -13h Gap: PHT vs COT
PHT runs on Philippine Time (PHT) at UTC+08:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts PHT 13 hours behind COT — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in PHT it is 8:00 PM in COT on the previous day. Midnight in PHT is 11:00 AM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PHT to COT time conversion table
| PHT (PHT) | COT (COT) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert PHT to COT time
- Scheduling a call from PHT to COT: a 10:00 AM start in PHT lands at 9:00 PM in COT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: PHT 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 8:00 PM in PHT.
- Keeping family and friends in sync: knowing that 8:00 PM in PHT is 7:00 AM in COT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM PHT" is unambiguous; "3 PM" across a -13h gap is not.
- With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week PHT takes the early slot, the next week COT does.
About PHT (Philippine Time)
Philippine Time (PHT) is fixed at UTC+08:00 all year. The Philippines has not observed daylight saving time since 1978, apart from a brief trial in 1990. PHT shares its offset with China Standard Time, Hong Kong Time, Singapore Time, Malaysian Time and Australian Western Standard Time, which makes Manila a convenient bridge for scheduling across East and Southeast Asia. As one of the world's largest centres for business process outsourcing, Manila keeps overlapping hours with both Australia and, on early shifts, the United States, and its contact-centre schedules are usually planned around Manila local time.
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 PHT and COT
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. COT opens at 9:00 AM COT, which is 8:00 PM in PHT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
PHT and COT have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
PHT is 13 hours behind COT (PHT UTC+08:00 → 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.
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 PHT and COT?
PHT (PHT, UTC+08:00) is 13 hours behind COT (COT, UTC-05:00). The gap is currently -13h.
How do I convert PHT time to COT time?
Add -13h to PHT local time. For example, 9:00 AM in PHT is 8:00 PM in COT (previous day).
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 -13h offset from PHT.
What is the best time to call COT from PHT?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in PHT, which is 12:00 AM in COT.
Which is behind, PHT or COT?
PHT is 13 hours behind COT. When it is 12:00 PM in PHT it is 11:00 PM in COT.
Does daylight saving time affect the PHT–COT difference?
Neither zone observes daylight saving time, so the -13h offset between PHT and COT is fixed all year.
Which other cities share PHT's time zone?
PHT also covers Manila, Quezon City, Davao City, Cebu City, Zamboanga.
Which countries use PHT, PHT's zone?
PHT is used in Philippines.
Is there a day difference between PHT and COT?
Sometimes. The -13h gap is large enough that 8:00 PM or later in PHT already falls on the in COT.
What is the time difference between PHT and COT?
COT is -13h from PHT.
What timezone is PHT in?
PHT operates on its local timezone.
What timezone is COT in?
COT operates on its local timezone.
Which countries use PHT (Philippine Time)?
PHT is used in Philippines.
Does PHT observe daylight saving time?
No, PHT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about PHT?
Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year. PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
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 PHT, what time is it in COT?
When it is 12:00 AM (midnight) in PHT (PHT), it is -13h later in COT (COT).
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