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