ZoneShift

Convert any time between timezones — DST-correct

Pick a date and time in one zone and see the exact local time in another, using the real UTC offset that applied on that date — daylight saving handled for you. Plus epoch tools, DST tables, and a free developer API.

Get this conversion as JSON (developer API)
curl "https://tz.wrapper-agency.com/api/v1/tz?from=America%2FNew_York&to=Asia%2FTokyo&time=2008-11-04T09%3A00"

Free timezone API — no key during beta. DST-correct, IANA tz database.

Popular timezone pairs

🇺🇸 New York → Tokyo 🇯🇵
ET (EST/EDT) → JST
🇺🇸 Los Angeles → London 🇬🇧
PT (PST/PDT) → GMT/BST
🇺🇸 New York → London 🇬🇧
ET (EST/EDT) → GMT/BST
🇺🇸 Los Angeles → New York 🇺🇸
PT (PST/PDT) → ET (EST/EDT)
🇬🇧 London → Kolkata (India) 🇮🇳
GMT/BST → IST
🇬🇧 London → New York 🇺🇸
GMT/BST → ET (EST/EDT)
🇯🇵 Tokyo → Los Angeles 🇺🇸
JST → PT (PST/PDT)
🇺🇸 New York → Kolkata (India) 🇮🇳
ET (EST/EDT) → IST
🇫🇷 Paris → New York 🇺🇸
CET/CEST → ET (EST/EDT)
🇸🇬 Singapore → Los Angeles 🇺🇸
SGT → PT (PST/PDT)

What time is it across zones?

9am New York → Tokyo
When it's 9am in New York
9am Los Angeles → London
When it's 9am in Los Angeles
10am New York → London
When it's 10am in New York
2pm London → New York
When it's 2pm in London
9am Los Angeles → New York
When it's 9am in Los Angeles
3pm Kolkata (India) → New York
When it's 3pm in Kolkata (India)
9am Paris → Los Angeles
When it's 9am in Paris
12pm Tokyo → London
When it's 12pm in Tokyo

Epoch / Unix timestamp converters

🌐 Epoch → UTC
Unix time to UTC
🇺🇸 Epoch → New York
Unix time to ET (EST/EDT)
🇺🇸 Epoch → Los Angeles
Unix time to PT (PST/PDT)
🇬🇧 Epoch → London
Unix time to GMT/BST
🇫🇷 Epoch → Paris
Unix time to CET/CEST
🇯🇵 Epoch → Tokyo
Unix time to JST
🇮🇳 Epoch → Kolkata (India)
Unix time to IST
🇨🇳 Epoch → Shanghai
Unix time to CST
🇦🇺 Epoch → Sydney
Unix time to AEST/AEDT

Daylight saving (DST) tables

🇺🇸 New York DST
Clock-change dates & offsets
🇺🇸 Los Angeles DST
Clock-change dates & offsets
🇺🇸 Chicago DST
Clock-change dates & offsets
🇺🇸 Denver DST
Clock-change dates & offsets
🇬🇧 London DST
Clock-change dates & offsets
🇫🇷 Paris DST
Clock-change dates & offsets
🇩🇪 Berlin DST
Clock-change dates & offsets
🇦🇺 Sydney DST
Clock-change dates & offsets

For developers

Need timezone conversions in code? See the timezone API and the developer guide.