Siao in numbers
- Coordinates
- 41.6441, -8.6996
- Region
- Viana do Castelo
- Country
- Portugal, Europe
- Capital
- Lisbon — 327 km away
- Same name
- 4 more places in the world share this name
What time is it in Siao, Viana do Castelo, Portugal
The clock above shows the current local time in Siao, Viana do Castelo, Portugal, which uses Europe/Lisbon (+0).
Siao, Portugal
Tuesday, 3 November 2026
UTC+0 · Europe/Lisbon
Local time in Siao
UTC+0 · no daylight saving time
Local time in Siao, Viana do Castelo.
The sun today
Sunrise 7:10 AM Solar noon 12:19 PM Sunset 5:29 PM Daylight 10 h 19 min Night 13 h 41 min Civil twilight 6:41 AM – 5:58 PM
Weather in Siao right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Siao and its neighbours
Postal codes
- 4905-338 Barroselas — 0.4 km away
- 4905-306 Barroselas — 0.4 km away
- 4905-350 Barroselas — 0.4 km away
- 4905-044 Barroselas — 0.4 km away
- 4905-315 Barroselas — 0.4 km away
- 4905-307 Barroselas — 0.4 km away
- 4905-346 Barroselas — 0.4 km away
- 4905-316 Barroselas — 0.4 km away
- 4905-302 Barroselas — 0.4 km away
- 4905-045 Barroselas — 0.4 km away
- 4905-304 Barroselas — 0.4 km away
- 4905-341 Barroselas — 0.4 km away
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Viana do Castelo
- Ponte De Lima 44 667
- Viana Do Castelo 36 148
- Arcos De Valdevez 22 847
- Moncao 19 738
- Valenza 14 172
- Meadela 9 981
Other places named Siao
- Siao Himachal Pradesh, India
- Siao Davao Region, Philippines
- Siao Balochistan, Pakistan
- Siao Si Sa Ket, Thailand
Nearby places
Siao: clock, sun and surroundings
The postal breakdown of Siao runs to 12 codes.
The zone applied in Siao is Europe/Lisbon with offset UTC+0. Whether clocks shift for daylight saving: No.
The sky over Siao lightens at 7:10 AM and the sun sets at 5:29 PM. Daylight runs for 10 h 19 min today.
Siao, Argova and Teso all run on one and the same time.
Questions and answers
- Does Siao use the Europe/Lisbon time zone?
- Yes, Siao uses Europe/Lisbon, with an offset of +0.
- Is summer time in effect in Siao at some point in the year?
- Daylight saving observed in Siao: No.
- Is there a set time for sunset in Siao?
- Today the sun sets at 5:29 PM.