San Antonio ShanghaiTime Converter
San Antonio (CDT, UTC−5) is currently 13 hours behind Shanghai (GMT+8, UTC+8). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in San Antonio, it's the same day in Shanghai.
San Antonio (CST/CDT) runs 13 hours behind Shanghai (GMT+8). 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
- +13h 00m
- San Antonio
- UTC−5
- Shanghai
- UTC+8
- Best call window
- Outside 9–6
San Antonio to Shanghai conversion table
The next 12 hours in San Antonio and the matching local time in Shanghai. The current hour is highlighted; drag the converter's slider and the table follows.
| San Antonio · CDT | Shanghai · GMT+8 |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Best time to meet between San Antonio & Shanghai
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between San Antonio and Shanghai swings between 13 and 14 hours across the year as each side starts or ends daylight saving. Clocks in San Antonio move back 1 hour to CST (UTC−6) on Sunday, November 1, 2026. Shanghai does not observe daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From San Antonio
To Shanghai
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 San Antonio time in Shanghai?", 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
{
"pair": "San Antonio → Shanghai",
"url": "https://worldclock.pro/en/convert/san-antonio-to-shanghai",
"from": {
"name": "San Antonio",
"type": "city",
"abbreviation": "CST",
"daylightAbbreviation": "CDT",
"iana": "America/Chicago",
"standardUtcOffset": "-06:00",
"daylightUtcOffset": "-05:00",
"referenceCity": "San Antonio"
},
"to": {
"name": "Shanghai",
"type": "city",
"abbreviation": "GMT+8",
"daylightAbbreviation": null,
"iana": "Asia/Shanghai",
"standardUtcOffset": "+08:00",
"daylightUtcOffset": null,
"referenceCity": "Shanghai"
},
"currentDifferenceMinutes": 780,
"possibleDifferencesMinutes": [
780,
840
],
"note": "Between the regions that use these zones the difference is 13 and 14 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 San Antonio and Shanghai?
San Antonio is currently 13 hours behind Shanghai. San Antonio is on CDT (UTC−5) and Shanghai is on GMT+8 (UTC+8). The difference can change when either side starts or ends daylight saving time.
Is Shanghai ahead of or behind San Antonio?
Shanghai is currently 13 hours ahead of San Antonio.
When it is 9:00 AM in San Antonio, what time is it in Shanghai?
When it is 9:00 AM on a Monday in San Antonio, it is 10:00 PM in Shanghai.
Do San Antonio and Shanghai observe daylight saving time?
Clocks in San Antonio move back 1 hour to CST (UTC−6) on Sunday, November 1, 2026. Shanghai does not observe daylight saving time.
How do I convert San Antonio time to Shanghai time?
Add 13 hours to any time in San Antonio to get the time in Shanghai. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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