Time Difference Between Cairo and San Francisco
San Francisco is 10h behind Cairo when both cities are on standard time and when both are on daylight saving time. San Francisco is 9h behind Cairo during the weeks when one city has changed its clocks and the other has not.
Cairo clocks move forward on the last Friday of April and back on the last Friday of October. San Francisco clocks move forward on the second Sunday of March and back on the first Sunday of November. The figures above cover each part of the year. They do not come from the offset on the day the site was built. The live clocks use the current time.
Working Hours Overlap
For each hour of Cairo's working day (9:00-18:00), here is the corresponding local time in San Francisco. Rows highlighted green fall within standard working hours (9:00-18:00) in both cities. Each block is one part of the year, so the table does not change with the day this page was built.
10h behind (standard time and daylight saving time)
| Cairo | San Francisco | Both working hours? |
|---|---|---|
| 9 AM | 11 PM | No |
| 10 AM | 12 AM | No |
| 11 AM | 1 AM | No |
| 12 PM | 2 AM | No |
| 1 PM | 3 AM | No |
| 2 PM | 4 AM | No |
| 3 PM | 5 AM | No |
| 4 PM | 6 AM | No |
| 5 PM | 7 AM | No |
| 6 PM | 8 AM | No |
9h behind (daylight saving time in San Francisco, while Cairo is on standard time)
| Cairo | San Francisco | Both working hours? |
|---|---|---|
| 9 AM | 12 AM | No |
| 10 AM | 1 AM | No |
| 11 AM | 2 AM | No |
| 12 PM | 3 AM | No |
| 1 PM | 4 AM | No |
| 2 PM | 5 AM | No |
| 3 PM | 6 AM | No |
| 4 PM | 7 AM | No |
| 5 PM | 8 AM | No |
| 6 PM | 9 AM | No |
Best Time to Meet
10h behind (standard time and daylight saving time)
Cairo and San Francisco don't share a 9 AM-6 PM working-hours window during standard time and daylight saving time. The least disruptive compromise is around 4 PM in Cairo, which falls at 6 AM in San Francisco. Expect one side to take an early or late call.
9h behind (daylight saving time in San Francisco, while Cairo is on standard time)
Cairo and San Francisco don't share a 9 AM-6 PM working-hours window during daylight saving time in San Francisco, while Cairo is on standard time. The least disruptive compromise is around 3 PM in Cairo, which falls at 6 AM in San Francisco. Expect one side to take an early or late call.
How the Difference Changes
The two cities do not change their clocks on the same dates, so the gap is not one number. The rules are above. The dates for the year you are reading this page load below.
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Cairo
Cairo uses the Africa/Cairo time zone. Standard time is UTC+2, and daylight saving time is UTC+3.
San Francisco
San Francisco uses the America/Los_Angeles time zone. Standard time is UTC-8, and daylight saving time is UTC-7.