Daylight Savings Time Changes in Portugal 🇵🇹 (1977)
| Country: | Portugal |
| Capital: | Lisbon |
| Abbreviations: | PT, PRT |
| IANA Time Zones: | 4 |
| Dial Code: | +351 |
Daylight Savings Time Schedule and Information
Before
23
:
59
After
01
:
00
26 MAR
26 Mar 1977 - Daylight Saving Time Starts
When local standard time is about to reach Saturday, 26 March 1977, 23:59 clocks are turned forward 1 hour to
Saturday, 26 March 1977, 01:00 local daylight time instead.
Sunrise and sunset will be about 1 hour later on 26 Mar 1977 than the day before. There will be more light in the evening.
Also called Spring Forward.
Before
00
:
59
After
00
:
00
25 SEP
25 Sep 1977 - Daylight Saving Time Ends
When local standard time is about to reach Sunday, 25 September 1977, 00:59 clocks are turned backward 1 hour to
Sunday, 25 September 1977, 00:00 local standard time instead.
Sunrise and sunset will be about 1 hour earlier on 25 Sep 1977 than the day before. There will be more light in the morning.
Also called Fall Back.
Daylight Savings Time Schedules by Districts in Portugal (1977)
| District | DST Start (Spring) | DST End (Fall) |
|---|---|---|
| Aveiro | 26 Mar 1977 | 25 Sep 1977 |
| Beja | 26 Mar 1977 | 25 Sep 1977 |
| Braga | 26 Mar 1977 | 25 Sep 1977 |
| Bragança | 26 Mar 1977 | 25 Sep 1977 |
| Castelo Branco | 26 Mar 1977 | 25 Sep 1977 |
| Coimbra | 26 Mar 1977 | 25 Sep 1977 |
| Évora | 26 Mar 1977 | 25 Sep 1977 |
| Faro | 26 Mar 1977 | 25 Sep 1977 |
| Guarda | 26 Mar 1977 | 25 Sep 1977 |
| Leiria | 26 Mar 1977 | 25 Sep 1977 |
| Lisbon | 26 Mar 1977 | 25 Sep 1977 |
| Portalegre | 26 Mar 1977 | 25 Sep 1977 |
| Porto | 26 Mar 1977 | 25 Sep 1977 |
| Santarém | 26 Mar 1977 | 25 Sep 1977 |
| Setúbal | 26 Mar 1977 | 25 Sep 1977 |
| Viana do Castelo | 26 Mar 1977 | 25 Sep 1977 |
| Vila Real | 26 Mar 1977 | 25 Sep 1977 |
| Viseu | 26 Mar 1977 | 25 Sep 1977 |
DST Changes Summary for Portugal
| Date | Year | Change | Time | Details |
|---|---|---|---|---|
| 30 Mar | 2025 | Forward 1 hour | 00:59 ➜ 02:00 | Daylight Saving Start |
| 26 Oct | 2025 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
| 29 Mar | 2026 | Forward 1 hour | 00:59 ➜ 02:00 | Daylight Saving Start |
| 25 Oct | 2026 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
| 28 Mar | 2027 | Forward 1 hour | 00:59 ➜ 02:00 | Daylight Saving Start |
| 31 Oct | 2027 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
| 26 Mar | 2028 | Forward 1 hour | 00:59 ➜ 02:00 | Daylight Saving Start |
| 29 Oct | 2028 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
| 25 Mar | 2029 | Forward 1 hour | 00:59 ➜ 02:00 | Daylight Saving Start |
| 28 Oct | 2029 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
| 31 Mar | 2030 | Forward 1 hour | 00:59 ➜ 02:00 | Daylight Saving Start |
| 27 Oct | 2030 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
Read More About Daylight Savings Time
Common Questions about Daylight Savings Time Changes in Portugal
Does Portugal use Daylight Saving Time in 1977?
Yes, Portugal observes Daylight Saving Time during the 1977 calendar year. The country follows the practice of shifting clocks to better align waking hours with the available evening sunlight during the spring and summer months.
Note that this does not apply to the entire country, as 2 districts do not participate in the change.
When do the clocks change next in Portugal?
The next scheduled time transition in Portugal will take place on Saturday, 26 March 1977. At 23:59 local time, clocks will be turned forward by 1 hour. This specific change marks the transition to daylight saving time starts.
Does all of Portugal follow the same time change schedule?
No. While the majority of Portugal observes Daylight Saving Time, there are regional exceptions. Currently, 2 districts (including Azores, Madeira) stay on standard time year-round.
How will the next transition affect the day in Portugal?
Following the shift on 26 Mar 1977, you will notice that there is more light in the evening compared to the day before. While the transition may temporarily disrupt sleep patterns, the primary goal of this forward shift is to maximize usable daylight for the population.