Shanghai PhiladelphiaTime Converter

Shanghai (GMT+8, UTC+8) is currently 12 hours ahead of Philadelphia (EDT, UTC−4). 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 Philadelphia.

Shanghai (GMT+8) runs 12 hours ahead of Philadelphia (EST/EDT). 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
−12h 00m
Shanghai
UTC+8
Philadelphia
UTC−4
Best call window
Outside 9–6
Hour by hour

Shanghai to Philadelphia conversion table

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

Hourly conversion from Shanghai to Philadelphia
Shanghai · GMT+8 Philadelphia · EDT Philadelphia status
NOW
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
Night
Tue, Jun 23
Mon, Jun 22
Night
Tue, Jun 23
Mon, Jun 22
Night
Meeting planner

Best time to meet between Shanghai & Philadelphia

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

Shanghai GMT+8
Philadelphia EDT
Both in business hours Business hours (9–18) Morning / evening Night Now
Business hours (9:00 AM – 6:00 PM) in Shanghai and Philadelphia do not overlap. When it is 9:00 AM in Shanghai, it is already 9:00 PM the previous day in Philadelphia — 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 Philadelphia swings between 13 and 12 hours across the year as each side starts or ends daylight saving. Shanghai does not observe daylight saving time. Clocks in Philadelphia move back 1 hour to EST (UTC−5) 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 Philadelphia?", 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 IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "Shanghai → Philadelphia",
  "url": "https://worldclock.pro/en/convert/shanghai-to-philadelphia",
  "from": {
    "name": "Shanghai",
    "type": "city",
    "abbreviation": "GMT+8",
    "daylightAbbreviation": null,
    "iana": "Asia/Shanghai",
    "standardUtcOffset": "+08:00",
    "daylightUtcOffset": null,
    "referenceCity": "Shanghai"
  },
  "to": {
    "name": "Philadelphia",
    "type": "city",
    "abbreviation": "EST",
    "daylightAbbreviation": "EDT",
    "iana": "America/New_York",
    "standardUtcOffset": "-05:00",
    "daylightUtcOffset": "-04:00",
    "referenceCity": "Philadelphia"
  },
  "currentDifferenceMinutes": -720,
  "possibleDifferencesMinutes": [
    -780,
    -720
  ],
  "note": "Between the regions that use these zones the difference is 13 and 12 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 Philadelphia?

Shanghai is currently 12 hours ahead of Philadelphia. Shanghai is on GMT+8 (UTC+8) and Philadelphia is on EDT (UTC−4). The difference can change when either side starts or ends daylight saving time.

Is Philadelphia ahead of or behind Shanghai?

Philadelphia is currently 12 hours behind Shanghai.

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

When it is 9:00 AM on a Monday in Shanghai, it is 9:00 PM the previous day in Philadelphia.

Do Shanghai and Philadelphia observe daylight saving time?

Shanghai does not observe daylight saving time. Clocks in Philadelphia move back 1 hour to EST (UTC−5) on Sunday, November 1, 2026.

How do I convert Shanghai time to Philadelphia time?

Subtract 12 hours from any time in Shanghai to get the time in Philadelphia. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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