British Summer Time
BST means UTC+01:00 throughout the year. London follows regional clock rules and uses UTC on your selected date.
Use London for local civil time →Other meanings: Bangladesh Standard Time.
TIME ZONE CONVERTER
Cairo to BST
Time Converter
Convert Cairo, Egypt to British Summer Time. Compare dates, seasonal differences and meeting hours.
Cairo is 1h or 2h ahead of BST in 2026, depending on the date.
9 AM Cairo = 8 AM BST
Selected date: November 10, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVCairo to BST conversion table
November 10, 2026 · Date changes are marked.
View the full 24-hour table
| Cairo | BST |
|---|---|
| 12:00 AM | 11:00 PM -1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| Cairo | BST |
|---|---|
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Starting with the BST working day
These examples start on 2026-11-10 in BST.
09:00 BST10:00 →Cairo · 2026-11-10
17:00 BST18:00 →Cairo · 2026-11-10
Which time-zone meaning are we using?
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Cairo to BST throughout 2026
Keeping 09:00 on the Cairo clock produces 2 different destination clock/date answers in 2026. The ranges below use Cairo calendar dates, including transition days.
| Dates in Cairo · 2026 | BST answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Apr 23113 dates | 08:00Same date | UTC+02:00 → UTC+01:00 | |
| Apr 24 – Oct 29189 dates | 07:00Same date | UTC+03:00 → UTC+01:00 | |
| Oct 30 – Dec 3163 dates | 08:00Same date | UTC+02:00 → UTC+01:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does Cairo time become a different date in BST?
Your complete source day: 2026-11-10. Each range shows which destination date to use.
Cairo · 2026-11-1000:00–01:00UTC+02:00
BST · 2026-11-0923:00–24:00UTC+01:00 Previous day
Cairo · 2026-11-1001:00–24:00UTC+02:00
BST · 2026-11-1000:00–23:00UTC+01:00 Same date
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How BST compares with Cairo throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−1h
−2h
−1h
Cairo changes its UTC offset in 2026. BST is a fixed offset.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | BST vs Cairo |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 23 Apr 2026, 22:00 UTC | 1h behind |
| 23 Apr 2026, 22:00 UTC | 29 Oct 2026, 21:00 UTC | 2h behind |
| 29 Oct 2026, 21:00 UTC | 1 Jan 2027, 00:00 UTC | 1h behind |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has BST 2h behind relative to Cairo. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with Cairo |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 23 Apr 2026, 22:00 UTC | 1h behind |
| 29 Oct 2026, 21:00 UTC | 1 Jan 2027, 00:00 UTC | 1h behind |
PLAN BEYOND A SINGLE DAY
Daily CSVCairo–BST working hours through 2026
Every date calculated with your working windows. 261 selected Cairo workdays; public holidays are not applied.
Least shared time6h
Most common6h
Most shared time7h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in Cairo 11:00–16:00.
These starts fit both working windows on every selected Cairo workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
Cairo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. BST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
Cairo to BST: useful answers
Why is the Cairo to BST difference sometimes 1 hour and sometimes 2 hours?
Cairo is 1h or 2h ahead of BST in 2026, depending on the date. Cairo changes its UTC offset in 2026. BST is a fixed offset.
Is BST the same as local city time?
BST is fixed at UTC+01:00. Cairo to London uses regional rules instead. On 2026-11-10, 09:00 at the source becomes 07:00 at the destination (GMT). Choose the local-city option above when that is the clock you mean.
Which cities match BST throughout 2026?
Lagos, Nigeria; Kinshasa, Congo - Kinshasa; Luanda, Angola; Abuja, Nigeria keep the same UTC+01:00 offset as fixed BST throughout 2026 under the published rules. Matching an offset does not mean every place uses the abbreviation BST.
Does the Cairo–BST time difference change in 2026?
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in Cairo on 2026-11-10 is 08:00 in BST on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Can Cairo and BST meet during working hours?
Your selected working windows share 7h on 2026-11-10. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Related time-zone meanings and conversions
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology