COT to PHT
+13hCOT
COTSOURCEPHT
PHTGreen rows indicate typical business hours (9 AM - 5 PM)
COT and PHT on the World Map
The map below highlights the COT (Colombia Time) and PHT (Philippine Time) timezone regions across the globe.
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.
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 vs PHT: Offsets, DST and Best Call Times
COT runs on Colombia Time (COT) at UTC-05:00. PHT runs on Philippine Time (PHT) at UTC+08:00. That puts COT 13 hours ahead of PHT — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in COT it is 10:00 PM in PHT. Midnight in COT is 1:00 PM in PHT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
COT to PHT time conversion table
| COT (COT) | PHT (PHT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert COT to PHT time
- Scheduling a call from COT to PHT: a 10:00 AM start in COT lands at 11:00 PM in PHT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: COT and PHT 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 PHT is 10:00 PM in COT.
- Coordinating a COT-based team with PHT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM COT" 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 COT takes the early slot, the next week PHT does.
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.
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.
Best time to call between COT and PHT
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. PHT opens at 9:00 AM PHT, which is 10:00 PM in COT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
COT and PHT have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
COT is 13 hours ahead of PHT (COT UTC-05:00 → PHT UTC+08:00). 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 COT and PHT?
COT (COT, UTC-05:00) is 13 hours ahead of PHT (PHT, UTC+08:00). The gap is currently +13h.
How do I convert COT time to PHT time?
Add +13h to COT local time. For example, 9:00 AM in COT is 10:00 PM in PHT.
What time is it in PHT right now?
PHT uses PHT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from COT.
What is the best time to call PHT from COT?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in COT, which is 2:00 AM in PHT.
Which is ahead, COT or PHT?
COT is 13 hours ahead of PHT. When it is 12:00 PM in COT it is 1:00 AM in PHT.
Does daylight saving time affect the COT–PHT difference?
Neither zone observes daylight saving time, so the +13h offset between COT and PHT is fixed all year.
Which other cities share COT's time zone?
COT also covers Bogotá, Medellín, Cali, Barranquilla, Cartagena.
Which countries use COT, COT's zone?
COT is used in Colombia.
Is there a day difference between COT and PHT?
Sometimes. The +13h gap is large enough that 8:00 PM or later in COT already falls on the next day in PHT.
What is the time difference between COT and PHT?
PHT is +13h from COT.
What timezone is COT in?
COT operates on its local timezone.
What timezone is PHT in?
PHT operates on its local timezone.
Which countries use COT (Colombia Time)?
COT is used in Colombia.
Does COT observe daylight saving time?
No, COT does not observe daylight saving time and remains at UTC-05:00 year-round.
What are some interesting facts about COT?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
Which cities are in the PHT timezone?
Major cities in the PHT timezone include Manila, Quezon City, Davao City, Cebu City, Zamboanga.
What is the UTC offset for PHT?
Philippine Time (PHT) is at UTC+08:00.
What should I know about the PHT timezone?
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.
When is it midnight in COT, what time is it in PHT?
When it is 12:00 AM (midnight) in COT (COT), it is +13h later in PHT (PHT).
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