Three numbers. The ones that decide the meeting.
When the world meets at work.
Read the day in both zones.
If it's this in San Juan, it's that in Kolkata.
When it's 8:00 am in San Juan, it's 5:30 pm in Kolkata — afternoon there, the same day.
When it's 10:00 am in San Juan, it's 7:30 pm in Kolkata — evening there, the same day.
When it's 12:00 pm in San Juan, it's 9:30 pm in Kolkata — night there, the same day.
When it's 3:00 pm in San Juan, it's 12:30 am in Kolkata — late night there, the next day.
When it's 5:00 pm in San Juan, it's 2:30 am in Kolkata — late night there, the next day.
When it's 9:00 pm in San Juan, it's 6:30 am in Kolkata — morning there, the next day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: San Juan uses the USD ($) and Kolkata uses the INR (₹). Conversations can stay in English, which is official in both countries. Be careful behind the wheel: San Juan drives on the right, Kolkata on the left.
- Country
- Puerto Rico
- Capital
- San Juan
- Currency
- United States dollar (USD · $)
- Language
- English, Spanish
- Calling code
- +1
- Drives on
- Right
- Country
- India
- Capital
- New Delhi
- Currency
- Indian rupee (INR · ₹)
- Language
- English, Hindi, Tamil
- Calling code
- +91
- Drives on
- Left
Quick answers. Before you book the call.
What's the time difference between San Juan and Kolkata?
San Juan is 9.5 hours ahead of Kolkata. San Juan runs on GMT-4 and Kolkata on GMT+5:30. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.
When it's 10 am in San Juan, what time is it in Kolkata?
10:00 am in San Juan is 7:30 pm in Kolkata on the same day — evening there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When it's 3 pm in San Juan, what time is it in Kolkata?
3:00 pm in San Juan is 12:30 am in Kolkata the next day — late night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When's the best time to schedule a meeting?
Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is San Juan from Kolkata?
About 14,674 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 17h 46m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do San Juan and Kolkata use?
San Juan uses the United States dollar (USD, $); Kolkata uses the Indian rupee (INR, ₹). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call San Juan from Kolkata?
Dial the international prefix used by your carrier (often 00), then +1, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in San Juan and Kolkata?
Both Puerto Rico and India count English among their official languages, so business meetings often skip translation. San Juan also has Spanish; Kolkata adds Hindi, Tamil.
Do San Juan and Kolkata drive on the same side of the road?
No. Puerto Rico drives on the right, India on the left. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.