Shanghai DartmouthTime Converter

Shanghai (GMT+8, UTC+8) is currently 11 hours ahead of Dartmouth (ADT, UTC−3). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in Shanghai, it's the previous day in Dartmouth.

Shanghai (GMT+8) runs 11 hours ahead of Dartmouth (AST/ADT). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours — edge-of-day calls are the trick.

Time difference
−11h 00m
Shanghai
UTC+8
Dartmouth
UTC−3
Best call window
Outside 9–6
Hour by hour

Shanghai to Dartmouth conversion table

The next 12 hours in Shanghai and the matching local time in Dartmouth. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from Shanghai to Dartmouth
Shanghai · GMT+8 Dartmouth · ADT Dartmouth status
NOW
Tue, Jul 21
Tue, Jul 21
DayWorking hours
Tue, Jul 21
Tue, Jul 21
DayWorking hours
Wed, Jul 22
Tue, Jul 21
DayWorking hours
Wed, Jul 22
Tue, Jul 21
DayWorking hours
Wed, Jul 22
Tue, Jul 21
DayWorking hours
Wed, Jul 22
Tue, Jul 21
DayWorking hours
Wed, Jul 22
Tue, Jul 21
DayWorking hours
Wed, Jul 22
Tue, Jul 21
Night
Wed, Jul 22
Tue, Jul 21
Night
Wed, Jul 22
Tue, Jul 21
Night
Wed, Jul 22
Tue, Jul 21
Night
Wed, Jul 22
Tue, Jul 21
Night
Meeting planner

Best time to meet between Shanghai & Dartmouth

Working hours are 9am–6pm in each city. The bright band is where they overlap: both sides at their desks.

Shanghai GMT+8
Dartmouth ADT
Both in working hours Working hours (9–18) Early morning or evening Very early or very late Night Now
Business hours (9:00 AM – 6:00 PM) in Shanghai and Dartmouth do not overlap. When it is 9:00 AM in Shanghai, it is already 10:00 PM the previous day in Dartmouth — schedule around early mornings or late evenings instead.
Good to know

Daylight saving shifts this gap by up to 1 hour

The difference between Shanghai and Dartmouth swings between 12 and 11 hours across the year as each side starts or ends daylight saving. Shanghai does not observe daylight saving time. Clocks in Dartmouth move back 1 hour to AST (UTC−4) on Sunday, November 1, 2026. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth, for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Shanghai time in Dartmouth?", it can cite the exact, DST-aware result, not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with time zone identifiers and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "Shanghai → Dartmouth",
  "url": "https://worldclock.pro/en/convert/shanghai-to-dartmouth",
  "from": {
    "name": "Shanghai",
    "type": "city",
    "abbreviation": "GMT+8",
    "daylightAbbreviation": null,
    "iana": "Asia/Shanghai",
    "standardUtcOffset": "+08:00",
    "daylightUtcOffset": null,
    "referenceCity": "Shanghai"
  },
  "to": {
    "name": "Dartmouth",
    "type": "city",
    "abbreviation": "AST",
    "daylightAbbreviation": "ADT",
    "iana": "America/Halifax",
    "standardUtcOffset": "-04:00",
    "daylightUtcOffset": "-03:00",
    "referenceCity": "Dartmouth"
  },
  "currentDifferenceMinutes": -660,
  "possibleDifferencesMinutes": [
    -720,
    -660
  ],
  "note": "Between the regions that use these zones the difference is 12 and 11 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}

Frequently asked questions

What is the time difference between Shanghai and Dartmouth?

Shanghai is currently 11 hours ahead of Dartmouth. Shanghai is on GMT+8 (UTC+8) and Dartmouth is on ADT (UTC−3). The difference can change when either side starts or ends daylight saving time.

Is Dartmouth ahead of or behind Shanghai?

Dartmouth is currently 11 hours behind Shanghai.

When it is 9:00 AM in Shanghai, what time is it in Dartmouth?

When it is 9:00 AM on a Tuesday in Shanghai, it is 10:00 PM the previous day in Dartmouth.

Do Shanghai and Dartmouth observe daylight saving time?

Shanghai does not observe daylight saving time. Clocks in Dartmouth move back 1 hour to AST (UTC−4) on Sunday, November 1, 2026.

How do I convert Shanghai time to Dartmouth time?

Subtract 11 hours from any time in Shanghai to get the time in Dartmouth. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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