Yokohama Sunrise & Sunset: A Seasonal Guide to Day Length and Golden Hours

Understanding Yokohama's Daylight Patterns

Yokohama, Japan, experiences dISTinct seasonal changes in daylight hours, driven by its latitude (35.44°N) and the tilt of the Earth's axis. This guide explores the rhythms of sunrise, sunset, day length, and twilight throughout the year, helping you plan activities, photography shoots, or simply appreciate the cycle of seasons. The city follows Japan Standard Time (JST, UTC+9) year-round, as Japan does not observe daylight saving time. This consistent offset means solar noon shifts relative to clock time across seasons, affecting the timing of golden hours. For real-time updates, visit the Yokohama live clock page.

Twilight Types and Photo Opportunities

Twilight durations vary with latitude and season. In Yokohama, civil twilight (when the sun is 0°–6° below the horizon) provides ample light for outdoor activities and soft, diffused light for photography. Nautical twilight (6°–12°) offers dramatic colors, while astronomical twilight (12°–18°) displays the darkest pre-sunset or post-sunset sky. The "golden hour" — the period shortly after sunrise and before sunset — delivers warm, low-angle light ideal for landscape and portrait photography. Below, we break down each season with typical timings and day length.

Spring (March–May)

Spring brings increasing daylight, with the vernal equinox (around March 20) marking equal day and night. By May, days grow long and pleasant. The table below shows representative dates.

Golden hour windows expand as spring progresses. In April, the sunrise golden hour spans about 05:13–05:45, with sunset golden hour around 17:45–18:15.

Summer (June–August)

Summer includes the longest day of the year at the June solstice (around June 21), with daylight exceeding 14.5 hours. Twilight lingers, offering extended evening photo opportunities.

On the solstice, the sun reaches its highest altitude (around 31° above midday sun in summer vs 78° in winter). Golden hour windows are relatively short due to the sun's steep path: morning golden hour ~04:30–05:15, evening ~18:00–18:45.

Autumn (September–November)

Autumn sees decreasing daylight, with the autumnal equinox (around September 22) bringing balanced day and night. The shorter days and lower sun angle create vibrant foliage and stunning golden hours.

Golden hour in autumn is extended and often more colorful. In October, sunrise golden hour lasts about 05:55–06:30, and sunset golden hour around 16:30–17:00.

Winter (December–February)

Winter brings the shortest day at the December solstice (around December 21), with barely 9.7 hours of daylight. This season offers unique low-angle sunlight and long shadows ideal for architectural and cityscape photography.

Winter golden hours are prolonged due to the shallow sun path. On the solstice, morning golden hour spans ~06:50–07:45, and evening ~15:30–16:30. The low sun also creates dramatic blue hours.

Comparing Yokohama and San Francisco

Yokohama (35.44°N) and San Francisco (37.77°N) share similar latitudes but differ in daylight timing due to time zones and longitude. San Francisco uses Pacific Time (UTC–8 in winter, UTC–7 in summer with Daylight Saving Time), while Yokohama uses JST (UTC+9) year-round. This means that when it's sunrise in Yokohama (e.g., 04:30 JST in June), it's 12:30 PDT the previous day in San Francisco. The time difference between Yokohama and San Francisco fluctuates between 16 and 17 hours depending on DST. Despite the similar latitudes, San Francisco's daylight behavior is offset by about 7–8 hours in clock terms, and its longer summer twilights due to DST shift sunset later. For more on how time zones affect daily life, see our page on Daylight Saving Time in Yokohama.

Solar Time vs Clock Time

Yokohama's longitude is approximately 139.65°E, which places it near the center of the JST time zone (135°E ideal meridian). This means solar noon in Yokohama occurs around 11:45 JST in winter and 11:45 as well, but due to the equation of time, actual solar noon can vary by ±15 minutes. The lack of DST keeps the relationship between clock time and solar time relatively stable. In summer, sunrise as early as 04:28 JST corresponds to a solar time that feels quite early to residents and visitors. For practical tips on scheduling meetings and calls, refer to our guide on Business Hours in Yokohama.