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Current time in Rio Tinto

Friday, 17 July 2026

Rio Tinto, Portugal · Europe/Lisbon · UTC+01:00

Time-zone identity for Rio Tinto

IANA zone
Europe/Lisbon
UTC offset now
UTC+01:00
Current zone label
WEST
Clock-change status
An offset change was found in the next 370 days.

Rio Tinto is currently 1 hour ahead of UTC. The named zone, rather than the offset alone, should be used for future dates.

Next clock change in Rio Tinto

UTC+00:00UTC+00:00

This change comes from the IANA Time Zone Database. It is described as an offset change unless its daylight-saving purpose can be verified.

Weather now

Weather in Rio Tinto

Conditions near Rio Tinto and a 3-day forecast. Local conditions can differ across large urban areas, mountains and coastlines.

18°C

Partly Cloudy

Feels like
18°C
Humidity
94%
Wind
4.3 km/h N
Recent precipitation
0 mm

3-day forecast

  1. Sunny17°C to 23°C11% chance of precipitationWind up to 19.4 km/h
  2. Sunny17°C to 23°C9% chance of precipitationWind up to 15.8 km/h
  3. Sunny17°C to 23°C17% chance of precipitationWind up to 16.2 km/h

Forecast valid from 03:30 local time. Updated 2026-07-17T02:49:01.334Z; refresh due by 2026-07-17T03:04:01.334Z.

Time-zone history

UTC offset changes for Rio Tinto

A bounded record of offset transitions calculated for Europe/Lisbon, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.

Previous 5 years

  1. UTC+01:00 UTC+01:00UTC offset decreased by
  2. UTC+00:00 UTC+00:00UTC offset decreased by
  3. UTC+01:00 UTC+01:00UTC offset decreased by
  4. UTC+00:00 UTC+00:00UTC offset decreased by
  5. UTC+01:00 UTC+01:00UTC offset decreased by
  6. UTC+00:00 UTC+00:00UTC offset decreased by
  7. UTC+01:00 UTC+01:00UTC offset decreased by
  8. UTC+00:00 UTC+00:00UTC offset decreased by
  9. UTC+01:00 UTC+01:00UTC offset decreased by
  10. UTC+00:00 UTC+00:00UTC offset decreased by

Next 5 years

  1. UTC+00:00 UTC+00:00UTC offset decreased by
  2. UTC+01:00 UTC+01:00UTC offset decreased by
  3. UTC+00:00 UTC+00:00UTC offset decreased by
  4. UTC+01:00 UTC+01:00UTC offset decreased by
  5. UTC+00:00 UTC+00:00UTC offset decreased by
  6. UTC+01:00 UTC+01:00UTC offset decreased by
  7. UTC+00:00 UTC+00:00UTC offset decreased by
  8. UTC+01:00 UTC+01:00UTC offset decreased by
  9. UTC+00:00 UTC+00:00UTC offset decreased by
  10. UTC+01:00 UTC+01:00UTC offset decreased by

Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.

Sun and Moon today

Sun and Moon in Rio Tinto

Daily astronomical events for Friday, 17 July 2026, expressed in Europe/Lisbon local time. Polar-day or polar-night events may be unavailable on a particular date.

Sun

Sunrise
06:16
Sunset
21:04
Solar noon
13:40
Civil twilight
05:44–21:37

Moon

Moonrise
09:49
Moonset
23:05
Phase
Waxing Crescent
Illumination
13%

Location context

About Rio Tinto

Location details for Rio Tinto in Porto, Portugal.

Administrative area
Porto, Portugal
Population
49,966
Coordinates
41.1787° N, 8.5595° W. The elevation is 80 metres.

Country context

Portugal at a glance

Country information for Portugal. The listed time zones reflect cities available in this directory and may not include every territorial exception.

Capital
Lisbon
Country codes
PT · PRT · 620
Population
10,281,762
Currency
Euro (EUR)
Calling code
+351
Languages
Portuguese (Portugal) and Mirandese
Time zones represented
3 time zones are used by cities in this directory: Atlantic/Azores, Atlantic/Madeira, and Europe/Lisbon.

Data and methodology

The current time is calculated for Europe/Lisbon when the page loads. The offset history covers five years before and after today using IANA time-zone data version 2026b. Future changes are hidden when a newer published rule is not yet available to the calculator. GeoNames ID 2735083 supplies the location and coordinates; nearby distances are straight-line estimates.

Place data 2026-07-15_01-57-51-849; time calculated 2026-07-17T02:49:01.311Z; IANA time-zone data 2026b; weather retrieved 2026-07-17T02:49:01.334Z; astronomy retrieved 2026-07-17T02:49:01.333Z

View calculation details and sources
  • GeoNames cities15000
    GeoNames · version 2026-07-15_01-57-51-849 · CC BY 4.0 · accessed
    Place and country names, administrative areas, coordinates, population, capital, codes, currency, calling codes and languages.
  • IANA Time Zone Database
    Internet Assigned Numbers Authority · version 2026b · Public domain · accessed
    Time-zone names, UTC offsets and clock changes.
  • Unicode Common Locale Data Repository
    Unicode Consortium · version 48.0 · Unicode License v3 · accessed
    English display names for countries, currencies and languages.
  • Complete Sun and Moon Data for One Day
    United States Naval Observatory · version API 4.0.1 · U.S. Government work · accessed
    Daily sunrise, sunset, civil twilight, solar transit, moonrise, moonset, phase and illumination.
  • Weather and Geolocation API
    WeatherAPI.com · version Forecast API v1; free plan · WeatherAPI.com terms; commercial and non-commercial use permitted by plan · accessed
    Current weather conditions, the next 24 hours and a three-day forecast.