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Shiga, Japan

Shiga uses Japan Standard Time, which is UTC+9. The prefecture has no seasonal clock changes and stays aligned with Kyoto, Osaka, Tokyo, and the rest of Japan every day of the year.

Otsu, Japan

Saturday, 5 September 2026

UTC+9 · Asia/Tokyo

Time and sun data for Otsu — the largest city of Shiga

The sun in Otsu

Sunrise 5:33 AM Solar noon 11:57 AM Sunset 6:21 PM Daylight 12 h 48 min Night 11 h 12 min Civil twilight 5:07 AM – 6:46 PM

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Current time in Shiga, Japan

One local time covers all of Shiga Prefecture, from Otsu beside Lake Biwa to communities on its northern and eastern shores. Travelling within the prefecture never requires a watch adjustment. Because Japan does not use daylight saving time, Shiga’s UTC offset remains stable. This is particularly convenient when comparing railway departures or arranging conversations across countries: only the other location’s seasonal rules may alter the difference.

Lake Biwa may reflect every change in the sky, but it never asks the clock to change with it.

Shiga’s time zone around Lake Biwa

Shiga belongs to the Kansai region and surrounds Lake Biwa, Japan’s largest freshwater lake. Otsu, the prefectural capital, lies close to Kyoto, and the two cities operate on precisely the same civil time. The same is true for every municipality around the lake.

The essentials are straightforward: Shiga observes JST. Local time is nine hours ahead of UTC. No daylight saving adjustment is made. There is one time zone across the prefecture. Nearby prefectures use the identical clock setting.

When converting a late-evening time abroad, check the date as well as the hour. Shiga may already have entered the following calendar day. For recurring meetings, verify whether the overseas participant changes clocks seasonally, since Shiga itself will not move.

Cities and changing sunrise

Otsu is Shiga’s capital and a major population center. Other prominent cities include Kusatsu, Nagahama, Higashiomi, and Hikone. Although their clocks agree exactly, their calculated sunrise times can vary by a small amount because they are spread around a large lake and across different longitudes.

Dawn arrives earlier in the warmer part of the year and later in the colder part. The direction and height of the local horizon also affect what an observer sees. Mountains border much of the prefecture, so the visible sun may appear after the astronomical sunrise calculated for a level horizon.

A lakeside position can offer a broad view, but the result depends on which shore you occupy and which direction faces the rising sun. Cloud, haze, buildings, and nearby terrain can all obscure first light. Anyone planning fishing, walking, photography, or a temple visit should consult a city-specific sunrise time and local weather report.

Questions and answers

What time zone is Shiga in?
Shiga is in Japan Standard Time, abbreviated JST, at UTC+9.
Is there a time difference between Otsu and Hikone?
No. Both cities use the same official local time.
Is visible sunrise always the same as the published sunrise?
Not necessarily. Published calculations assume a defined horizon, while mountains, buildings, and clouds can affect when the sun is actually seen.
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