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TimezonePair
Home·Pittsburgh·Pittsburgh × Kolkata
Prime meridian·—:—:— UTC·

Pittsburgh×Kolkata

United States · US
Pittsburgh
—:—
—America/New_York·—
DST active
India · IN
Kolkata
—:—
—Asia/Kolkata·—
No DST

Pittsburgh is 9.5 hours ahead of Kolkata. Scrub a time, meet in the overlap, ship the invite — before the kettle boils.

◊ at a glance

Three numbers. The ones that decide the meeting.

01
Difference
9.5h ahead
Pittsburgh vs Kolkata
02
Overlap
0h
Business hours 09:00 – 17:00
03
UTC offsets
GMT-4 / GMT+5:30
EDT · IST
04
Flight
15h 41m
12,905 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
No overlap in working hours
Pittsburgh
—:—
0
3
6
9
12
15
18
21
Kolkata
—:—
Scrub a meeting time14:00 Pittsburgh
Same moment in Kolkata23:30 Kolkata
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/pittsburgh/to/kolkata?t=14&a=A&d=2026-10-20&dur=60
14:00 Pittsburgh→ 23:30 Kolkata
Full 24-hour reference
Pittsburgh → Kolkata
00:0012:00 am
09:309:30 amKolkata only
01:001:00 am
10:3010:30 amKolkata only
02:002:00 am
11:3011:30 amKolkata only
03:003:00 am
12:3012:30 pmKolkata only
04:004:00 am
13:301:30 pmKolkata only
05:005:00 am
14:302:30 pmKolkata only
06:006:00 am
15:303:30 pmKolkata only
07:007:00 am
16:304:30 pmKolkata only
08:008:00 am
17:305:30 pm
09:009:00 amPittsburgh only
18:306:30 pm
10:0010:00 amPittsburgh only
19:307:30 pm
11:0011:00 amPittsburgh only
20:308:30 pm
12:0012:00 pmPittsburgh only
21:309:30 pm
13:001:00 pmPittsburgh only
22:3010:30 pm
14:002:00 pmPittsburgh only
23:3011:30 pm
15:003:00 pmPittsburgh only
00:3012:30 am+1 day
16:004:00 pmPittsburgh only
01:301:30 am+1 day
17:005:00 pm
02:302:30 am+1 day
18:006:00 pm
03:303:30 am+1 day
19:007:00 pm
04:304:30 am+1 day
20:008:00 pm
05:305:30 am+1 day
21:009:00 pm
06:306:30 am+1 day
22:0010:00 pm
07:307:30 am+1 day
23:0011:00 pm
08:308:30 am+1 day
◊ quick conversions

If it's this in Pittsburgh, it's that in Kolkata.

8:00 am → 5:30 pm

When it's 8:00 am in Pittsburgh, it's 5:30 pm in Kolkata — afternoon there, the same day.

10:00 am → 7:30 pm

When it's 10:00 am in Pittsburgh, it's 7:30 pm in Kolkata — evening there, the same day.

12:00 pm → 9:30 pm

When it's 12:00 pm in Pittsburgh, it's 9:30 pm in Kolkata — night there, the same day.

3:00 pm → 12:30 am

When it's 3:00 pm in Pittsburgh, it's 12:30 am in Kolkata — late night there, the next day.

5:00 pm → 2:30 am

When it's 5:00 pm in Pittsburgh, it's 2:30 am in Kolkata — late night there, the next day.

9:00 pm → 6:30 am

When it's 9:00 pm in Pittsburgh, it's 6:30 am in Kolkata — morning there, the next day.

◊ travel essentials

Crossing the border. Money, language, plugs.

Money changes hands at the border: Pittsburgh uses the USD ($) and Kolkata uses the INR (₹). Conversations can stay in English, which is official in both countries. Be careful behind the wheel: Pittsburgh drives on the right, Kolkata on the left.

Pittsburgh
Country
United States
Capital
Washington, D.C.
Currency
United States dollar (USD · $)
Language
English
Calling code
+1
Drives on
Right
Kolkata
Country
India
Capital
New Delhi
Currency
Indian rupee (INR · ₹)
Language
English, Hindi, Tamil
Calling code
+91
Drives on
Left
◊ common questions

Quick answers. Before you book the call.

What's the time difference between Pittsburgh and Kolkata?

Pittsburgh is 9.5 hours ahead of Kolkata. Pittsburgh 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 Pittsburgh, what time is it in Kolkata?

10:00 am in Pittsburgh 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 Pittsburgh, what time is it in Kolkata?

3:00 pm in Pittsburgh 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 Pittsburgh from Kolkata?

About 12,905 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 15h 41m, 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 Pittsburgh and Kolkata use?

Pittsburgh 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 Pittsburgh 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 Pittsburgh and Kolkata?

Both United States and India count English among their official languages, so business meetings often skip translation. Pittsburgh also has no other official tongue; Kolkata adds Hindi, Tamil.

Do Pittsburgh and Kolkata drive on the same side of the road?

No. United States 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.

◊ keep going

One pair down. 299 cities to go.

Every pair in 300 cities runs the same clocks, the same overlap, the same one-click invite. Pick another.

PITTSBURGH · America/New_York
GMT-4 · 40.44°, -80.00°

KOLKATA · Asia/Kolkata
GMT+5:30 · 22.57°, 88.36°

— 0h shared · 9.5h ahead