| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 April 2026, Wednesday | 5:45 AM | 6:18 PM | 12h 33m |
| 2 April 2026, Thursday | 5:43 AM | 6:19 PM | 12h 35m |
| 3 April 2026, Friday | 5:42 AM | 6:20 PM | 12h 37m |
| 4 April 2026, Saturday | 5:41 AM | 6:20 PM | 12h 39m |
| 5 April 2026, Sunday | 5:39 AM | 6:21 PM | 12h 41m |
| 6 April 2026, Monday | 5:38 AM | 6:22 PM | 12h 44m |
| 7 April 2026, Tuesday | 5:37 AM | 6:23 PM | 12h 46m |
| 8 April 2026, Wednesday | 5:35 AM | 6:24 PM | 12h 48m |
| 9 April 2026, Thursday | 5:34 AM | 6:24 PM | 12h 50m |
| 10 April 2026, Friday | 5:33 AM | 6:25 PM | 12h 52m |
| 11 April 2026, Saturday | 5:31 AM | 6:26 PM | 12h 54m |
| 12 April 2026, Sunday | 5:30 AM | 6:27 PM | 12h 56m |
| 13 April 2026, Monday | 5:29 AM | 6:28 PM | 12h 58m |
| 14 April 2026, Tuesday | 5:27 AM | 6:28 PM | 13h 00m |
| 15 April 2026, Wednesday | 5:26 AM | 6:29 PM | 13h 03m |
| 16 April 2026, Thursday | 5:25 AM | 6:30 PM | 13h 05m |
| 17 April 2026, Friday | 5:24 AM | 6:31 PM | 13h 07m |
| 18 April 2026, Saturday | 5:22 AM | 6:32 PM | 13h 09m |
| 19 April 2026, Sunday | 5:21 AM | 6:32 PM | 13h 11m |
| 20 April 2026, Monday | 5:20 AM | 6:33 PM | 13h 13m |
| 21 April 2026, Tuesday | 5:19 AM | 6:34 PM | 13h 15m |
| 22 April 2026, Wednesday | 5:17 AM | 6:35 PM | 13h 17m |
| 23 April 2026, Thursday | 5:16 AM | 6:36 PM | 13h 19m |
| 24 April 2026, Friday | 5:15 AM | 6:36 PM | 13h 21m |
| 25 April 2026, Saturday | 5:14 AM | 6:37 PM | 13h 23m |
| 26 April 2026, Sunday | 5:13 AM | 6:38 PM | 13h 25m |
| 27 April 2026, Monday | 5:12 AM | 6:39 PM | 13h 27m |
| 28 April 2026, Tuesday | 5:11 AM | 6:40 PM | 13h 28m |
| 29 April 2026, Wednesday | 5:09 AM | 6:40 PM | 13h 30m |
| 30 April 2026, Thursday | 5:08 AM | 6:41 PM | 13h 32m |
Osaka sits on the flat Kinki plain at the eastern end of Osaka Bay, with little elevation between the city and the open water to the west. The bay provides consistent sunset conditions throughout the year, while riverside parks and the elevated castle grounds are the most accessible spots for early morning light.
The castle sits on a stone platform about 30 meters above the surrounding moat, giving clear views east toward the Ikoma mountain range. The park grounds are free and open around the clock; the castle tower itself (entry ¥600) opens at 9:00, well after sunrise.
This narrow island park runs between the Dojima and Tosabori rivers in the city center, with open corridors facing east along the water. Free access at all hours; the Rose Garden section opens at 9:00, but the main riverside promenade is reachable before dawn.
The levee along the Yodo River in northern Osaka offers wide, mostly treeless views eastward with almost no urban obstruction. Free and accessible at all hours; the stretch near Nishijima, about 15 minutes on foot from Shin-Osaka Station, is one of the more exposed sections.
The Floating Garden Observatory opens at 9:30, which means actual sunrise is not visible; morning visits before 11:00 are quieter, and the east-facing deck looks out over the low-rise skyline toward the Ikoma and Rokko mountain ranges. Entry ¥1,500; 7-minute walk north of Osaka/Umeda Station.
Looking west from the same embankment, the river reflects the evening light as it flows toward Osaka Bay. The levee is fully open with no shelter; on clear evenings the view toward the horizon is unobstructed.
The open-air rooftop at 173 meters faces west over Osaka Bay, with the Akashi Kaikyo Bridge visible on clear days. The observatory stays open until 22:30 (last entry 22:00), so the full transition from sunset to city lights is easy to catch.
The Harukas 300 observatory occupies floors 58 to 60 of Japan's tallest building at 300 meters, with panoramic views over the city and Osaka Bay. Open daily 9:00-22:00; entry ¥2,000; directly connected to Tennoji Station (JR, Kintetsu, subway).
At 256 meters, this observation deck sits on an artificial island south of the city center, with the bay to the west and south providing wide open views at sunset. Entry ¥800; open Wednesday to Monday from 11:00; nearest station: Cosmosquare (Chuo/Suminoe subway line).
The 112-meter Ferris wheel near the Osaka Aquarium faces west over Osaka Bay, and a full rotation takes about 15 minutes, long enough to span the transition from late afternoon light to dusk. Ticket ¥900; closest station: Osakako on the Chuo subway line.