Golden Hour & Twilight in Hanoi

Today in Hanoi, the sun rises at 5:25 AM and sets at 6:23 PM, providing 12h 59m of daylight. Solar noon lands at 11:54 AM, when the sun reaches its highest point in the sky. Civil twilight begins at 5:01 AM and ends at 6:47 PM, extending usable outdoor light beyond sunrise and sunset.

How Sunrise and Sunset Times Are Calculated

SunriseTime uses the NOAA Solar Calculator algorithm to compute sunrise and sunset times with precision within one minute. The calculation accounts for Hanoi's geographic coordinates (latitude 21.0245°, longitude 105.8412°), atmospheric refraction, and the sun's apparent diameter. All times are displayed in the local timezone (Asia/Bangkok) and updated daily.

Golden Hour Photography in Hanoi

The morning golden hour in Hanoi runs from 5:25 AM to 5:55 AM (31 minutes), while the evening golden hour spans 5:53 PM to 6:23 PM (31 minutes). During golden hour, sunlight travels through more atmosphere, producing warm tones ideal for photography and filmmaking.

Daylight Trends and Seasonal Changes

Daylight duration in Hanoi changes throughout the year based on its latitude of 21.02°. The 7-day forecast above shows how daylight hours are currently trending. Compared to yesterday, sunrise is at the same local time as yesterday and sunset is at the same local time as yesterday, reflecting the gradual seasonal transition.

Moon Phase and Lunar Data

The current moon phase in Hanoi is Waning Gibbous with 89% illumination. Moonrise occurs at 9:43 PM and moonset at 7:42 AM. Lunar data is useful for astronomers, photographers planning night shoots, and anyone interested in tidal patterns.

Prayer Times Calculation Method

Prayer times for Hanoi are calculated using the Muslim World League (MWL) convention, which sets Fajr at 18° below the horizon and Isha at 17°. The Asr time follows the Standard (Shafi'i) juristic method, where the shadow length equals the object height plus the shadow at solar noon.