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Chimborazo Province, Ecuador

Chimborazo Province follows Ecuador Time, UTC−5, throughout the year. It does not observe daylight saving time. Riobamba and other communities in the province therefore keep the same offset in every season, while sunrise and sunset times change gradually.

Riobamba, Ecuador

Friday, 4 September 2026

UTC−5 · America/Guayaquil

Time and sun data for Riobamba — the largest city of Chimborazo Province

The sun in Riobamba

Sunrise 6:13 AM Solar noon 12:15 PM Sunset 6:18 PM Daylight 12 h 05 min Night 11 h 55 min Civil twilight 5:52 AM – 6:38 PM

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Current time in Chimborazo Province, Ecuador

The local clock in Chimborazo Province is five hours behind Coordinated Universal Time. To convert UTC to Chimborazo time, subtract five hours. When that subtraction crosses midnight, remember that the local calendar date is also the previous day.

Ecuador does not make a seasonal clock change on the mainland, so Chimborazo remains on UTC−5 all year. This makes future time conversion comparatively simple: the offset itself stays fixed even though the daylight period and the position of the sun vary.

In Chimborazo, the mountain may complicate the horizon, but it does not complicate the clock. For calls or online events, compare UTC−5 with the other participant’s current offset. This matters especially when the other location observes daylight saving time, because the difference between the two places can change even while Chimborazo’s clock does not.

Cities and local time across Chimborazo

Riobamba is the provincial capital and the principal urban reference for Chimborazo. Other recognized population centers include Guano, Alausí, Chambo and Guamote. They all use the same provincial time, so a journey between them requires no clock adjustment.

Riobamba: provincial capital and the usual reference point for local schedules. Guano: located near Riobamba and on the same UTC−5 clock. Alausí: a southern highland center with no time-zone difference from the capital.

Chambo and Guamote: separate communities sharing the province’s standard time. Although local transport timetables and business hours vary, the legal clock does not vary by canton or altitude. A meeting listed for a particular hour in Riobamba occurs at that same clock hour in Alausí, Guano and the rest of Chimborazo.

Sunrise, sunset and mountain horizons

Sunrise is not a fixed clock time. It changes with the date and the observer’s exact position. Chimborazo lies close to the equator, so seasonal changes in day length are less dramatic than in places far to the north or south, but they are still present.

The visible sunrise can also differ from a calculated sunrise. Mountains, ridges, buildings and valley walls may hide the sun after it has geometrically crossed the horizon. For an accurate daily result, use the date and coordinates of the intended town rather than a province-wide estimate.

Confirm that the location is in Chimborazo Province. Use UTC−5 when interpreting the displayed result. Check the requested date, because solar times are date-specific. Allow for nearby terrain if the actual first appearance of sunlight matters.

Questions and answers
What time zone does Chimborazo Province use?
It uses Ecuador Time, with an offset of UTC−5.
Does Chimborazo observe daylight saving time?
No. Its clocks remain on the same UTC offset throughout the year.
Is sunrise simultaneous across the province?
No. Exact solar times depend on longitude, latitude, date and the local horizon, although every town labels the result using the same time zone.

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