PHT to IST Converter & Meeting Planner
Quick answer: 9:00 AM PHT = 6:30 AM IST (fixed +08:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Philippine Time (PHT) and Indian Standard Time (IST)? You need to account for the standard time difference. Indian Standard Time is normally 2.5 hours behind Philippine Time. Whether you are coordinating between teams in Manila and Quezon City and Mumbai and New Delhi, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM PHT = 9:30 PM IST. The full 24-hour PHT to IST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM PHT = 12:30 PM IST.
| PHT Time | IST Time |
|---|---|
| 12:00 AM (00:00) | 9:30 PM (21:30)-1 day |
| 1:00 AM (01:00) | 10:30 PM (22:30)-1 day |
| 2:00 AM (02:00) | 11:30 PM (23:30)-1 day |
| 3:00 AM (03:00) | 12:30 AM (00:30) |
| 4:00 AM (04:00) | 1:30 AM (01:30) |
| 5:00 AM (05:00) | 2:30 AM (02:30) |
| 6:00 AM (06:00) | 3:30 AM (03:30) |
| 7:00 AM (07:00) | 4:30 AM (04:30) |
| 8:00 AM (08:00) | 5:30 AM (05:30) |
| 9:00 AM (09:00) | 6:30 AM (06:30) |
| 10:00 AM (10:00) | 7:30 AM (07:30) |
| 11:00 AM (11:00) | 8:30 AM (08:30) |
| 12:00 PM (12:00) | 9:30 AM (09:30) |
| 1:00 PM (13:00) | 10:30 AM (10:30) |
| 2:00 PM (14:00) | 11:30 AM (11:30) |
| 3:00 PM (15:00) | 12:30 PM (12:30) |
| 4:00 PM (16:00) | 1:30 PM (13:30) |
| 5:00 PM (17:00) | 2:30 PM (14:30) |
| 6:00 PM (18:00) | 3:30 PM (15:30) |
| 7:00 PM (19:00) | 4:30 PM (16:30) |
| 8:00 PM (20:00) | 5:30 PM (17:30) |
| 9:00 PM (21:00) | 6:30 PM (18:30) |
| 10:00 PM (22:00) | 7:30 PM (19:30) |
| 11:00 PM (23:00) | 8:30 PM (20:30) |
Best time to call Mumbai from Manila
For most work calls, compare the normal business day in Manila (PHT) with the business day in Mumbai (IST). PHT commonly covers Southeast Asia, while IST is mainly associated with South Asia.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 12:00 PM - 6:00 PM PHT, which corresponds to 9:30 AM - 3:30 PM IST. This window sits inside the typical PHT workday (9:00 AM - 6:00 PM) and the IST workday (9:30 AM - 6:30 PM).
- DST Safety: Neither PHT nor IST uses Daylight Saving Time in our dataset, making business-hour relationships stable year-round.
- Philippine Stock Exchange (PSE): 09:30-15:00 local time in Makati.
- Bombay Stock Exchange (BSE): 09:15-15:30 local time in Mumbai.
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Frequently Asked Questions
What is the time difference between PHT and IST?
During standard time, Indian Standard Time is 2.5 hours behind Philippine Time.
Does the Philippines observe Daylight Saving Time?
The Philippines does not observe Daylight Saving Time and has not done so since 1990, when the practice was last used as an energy conservation measure. PHT remains permanently fixed at UTC+8:00 every day of the year, meaning the offset between Manila and any DST-observing partner country shifts by one hour twice annually when those countries change their clocks — but PHT itself never moves.
Are PHT and SGT the same time?
Yes, Philippine Time (PHT) and Singapore Time (SGT) share the identical UTC+8:00 offset, and neither country observes Daylight Saving Time, making Manila and Singapore permanently synchronized on the same clock year-round. The same alignment holds with Malaysia (MYT), Greater China (CST), Hong Kong (HKT), and Western Australia (AWST) — all permanent UTC+8 zones.
Does India observe Daylight Saving Time (DST)?
India does not observe Daylight Saving Time and has not done so since 1945. IST remains fixed at UTC+5:30 every day of the year, meaning the offset between India and any DST-observing country shifts by one hour twice annually when those countries change their clocks.
Why does IST have a 30-minute offset?
India chose the 82.5° East meridian — which passes through Mirzapur in Uttar Pradesh — as its central reference longitude, as it bisects the subcontinent geographically. That meridian sits exactly 5 hours and 30 minutes ahead of the Prime Meridian in Greenwich, producing the UTC+5:30 offset that has defined IST since 1906.