CDT to PHT
+13hCDT
CDTSOURCEPHT
PHTGreen rows indicate typical business hours (9 AM - 5 PM)
CDT and PHT on the World Map
The map below highlights the CDT (Central Daylight Time) and PHT (Philippine Time) timezone regions across the globe.
CDT – Central Daylight Time
UTC-05:00Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.
- •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
- •CDT runs from the second Sunday in March to the first Sunday in November.
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.
Comparing Time Zones: CDT and PHT
CDT runs on Central Daylight Time (CDT) at UTC-05:00. PHT runs on Philippine Time (PHT) at UTC+08:00. That puts CDT 13 hours ahead of PHT — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in CDT it is 10:00 PM in PHT. Midnight in CDT is 1:00 PM in PHT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CDT to PHT time conversion table
| CDT (CDT) | 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 CDT to PHT time
- Scheduling a call from CDT to PHT: a 10:00 AM start in CDT lands at 11:00 PM in PHT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: CDT 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 CDT.
- Keeping family and friends in sync: knowing that 8:00 PM in CDT is 9:00 AM in PHT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM CDT" 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 CDT takes the early slot, the next week PHT does.
About CDT (Central Daylight Time)
Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.
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 CDT 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 CDT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
CDT and PHT have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
CDT is 13 hours ahead of PHT (CDT 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.
🕐 Daylight Saving Time Info
CDT
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
PHT
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 CDT and PHT?
CDT (CDT, UTC-05:00) is 13 hours ahead of PHT (PHT, UTC+08:00). The gap is currently +13h.
How do I convert CDT time to PHT time?
Add +13h to CDT local time. For example, 9:00 AM in CDT 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 CDT.
What is the best time to call PHT from CDT?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in CDT, which is 2:00 AM in PHT.
Which is ahead, CDT or PHT?
CDT is 13 hours ahead of PHT. When it is 12:00 PM in CDT it is 1:00 AM in PHT.
Does daylight saving time affect the CDT–PHT difference?
Neither zone observes daylight saving time, so the +13h offset between CDT and PHT is fixed all year.
Which other cities share CDT's time zone?
CDT also covers Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
Which countries use CDT, CDT's zone?
CDT is used in United States (Central), Canada (Manitoba).
Is there a day difference between CDT and PHT?
Sometimes. The +13h gap is large enough that 8:00 PM or later in CDT already falls on the next day in PHT.
What is the time difference between CDT and PHT?
PHT is +13h from CDT.
What timezone is CDT in?
CDT operates on its local timezone.
What timezone is PHT in?
PHT operates on its local timezone.
Which countries use CDT (Central Daylight Time)?
CDT is used in United States (Central), Canada (Manitoba).
Does CDT observe daylight saving time?
Yes, CDT switches to CST during summer months.
What are some interesting facts about CDT?
CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.
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 CDT, what time is it in PHT?
When it is 12:00 AM (midnight) in CDT (CDT), it is +13h later in PHT (PHT).
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See every conversion from CDT →·See every conversion from PHT →