Time difference
Chennai to Seattle Time Difference
Seattle is 12 hours and 30 minutes behind Chennai — when it's 12:00 PM in Chennai, it's 11:30 PM the previous day in Seattle. (Chennai (Asia/Kolkata, IST); Seattle (America/Los_Angeles, PDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Seattle is 12 hours and 30 minutes behind Chennai. Standard 9 AM–5 PM business hours in Chennai and Seattle do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Chennai and Seattle — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Chennai, it's 8:30 PM the previous day in Seattle.
- When it's 9:00 AM in Seattle, it's 9:30 PM in Chennai.
Seattle is currently 12 hours and 30 minutes behind Chennai.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Chennai and Seattle do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Chennai, or a 6–8 PM meeting in Seattle.
Quick conversion table
| Chennai | Seattle |
|---|---|
| 12 AM | 11:30 AM (prev day) |
| 1 AM | 12:30 PM (prev day) |
| 2 AM | 1:30 PM (prev day) |
| 3 AM | 2:30 PM (prev day) |
| 4 AM | 3:30 PM (prev day) |
| 5 AM | 4:30 PM (prev day) |
| 6 AM | 5:30 PM (prev day) |
| 7 AM | 6:30 PM (prev day) |
| 8 AM | 7:30 PM (prev day) |
| 9 AM | 8:30 PM (prev day) |
| 10 AM | 9:30 PM (prev day) |
| 11 AM | 10:30 PM (prev day) |
| 12 PM | 11:30 PM (prev day) |
| 1 PM | 12:30 AM |
| 2 PM | 1:30 AM |
| 3 PM | 2:30 AM |
| 4 PM | 3:30 AM |
| 5 PM | 4:30 AM |
| 6 PM | 5:30 AM |
| 7 PM | 6:30 AM |
| 8 PM | 7:30 AM |
| 9 PM | 8:30 AM |
| 10 PM | 9:30 AM |
| 11 PM | 10:30 AM |
Daylight saving
On November 1, 2026, Seattle shifts for daylight saving. After that, Seattle will be 13 hours and 30 minutes behind Chennai (currently 12 hours and 30 minutes behind Chennai). The converter and the tables above always reflect the correct offset for the date you pick.
- Chennai does not observe daylight saving time.
- Seattle is currently observing daylight saving time.
Frequently asked questions
- Is Seattle ahead of or behind Chennai?
- Seattle is 12 hours and 30 minutes behind Chennai.
- How many hours behind Chennai is Seattle?
- Seattle is 12 hours and 30 minutes behind Chennai.
- What time is 9 AM in Chennai in Seattle?
- 9:00 AM in Chennai is 8:30 PM the previous day in Seattle.
- What time is noon in Chennai in Seattle?
- 12:00 PM in Chennai is 11:30 PM the previous day in Seattle.
- What time is 5 PM in Chennai in Seattle?
- 5:00 PM in Chennai is 4:30 AM in Seattle. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Chennai in Seattle?
- 3:00 PM in Chennai is 2:30 AM in Seattle.
- Is Chennai currently observing daylight saving time?
- Chennai does not observe daylight saving time — its UTC offset stays the same all year.
- Is Seattle currently observing daylight saving time?
- Seattle is currently observing daylight saving time (summer time).
- Do Chennai and Seattle observe daylight saving?
- On November 1, 2026, Seattle shifts for daylight saving. After that, Seattle will be 13 hours and 30 minutes behind Chennai (currently 12 hours and 30 minutes behind Chennai). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Seattle from Chennai?
- Chennai and Seattle business hours don't overlap. The closest options are early mornings in Chennai or late evenings, when one side stretches outside 9–5.
- When is the best time to call Chennai from Seattle?
- Seattle and Chennai business hours don't overlap. The closest options are early mornings in Seattle or late evenings, when one side stretches outside 9–5.
- Chennai (IST) to Seattle (PDT) — how do I convert quickly?
- Subtract 12 hours and 30 minutes from Chennai local time to get Seattle local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Chennai to New York
- Chennai to London
- Chennai to Tokyo
- Chennai to Dubai
- Chennai to Singapore
- Chennai to Los Angeles
- Chennai to Sydney
- Chennai to Paris
- Chennai to Mumbai
- Chennai to Hong Kong