An annoying thing about Japan is the kind of reverse daylight savings time used here. I don't know exactly why this is, but it gets light at 3:57 AM. That wouldn't be so bad, but it is dark by 7 or 7:30. If it gets dark an hour after 6 PM, shouldn't it get light an hour before 6 AM? We are not far out of the center of the time zone, either, not like all of China operating on the same time zone. Solar noon is at 11:43. I guess my astronomy has got a bit rusty here where we see only a handful of stars most of the time. I wish there were Daylight Savings Time here but it still has a bad reputation from the postwar era where it was used to squeeze more work out of construction workers who typically took off when it got too dark to work. I think it is still opposed by unions and has no proponents as far as I have heard.
Info is from Weather Underground.
June 27, 2007 | Rise | Solar Noon | Set |
| Actual Time | 4:27 AM JST | 11:43 AM JST | 7:00 PM JST |
| Civil Twilight | 3:57 AM JST | | 7:30 PM JST |
| Nautical Twilight | 3:19 AM JST | | 8:07 PM JST |
| Astronomical Twilight | 2:38 AM JST | | 8:48 PM JST |
| Altitude | -0.8° | 77.8° | -0.8° |
| Azimuth | 60.2° | 180.0° | 299.8° |
| Hour Angle of the Sun | 109.1° | 109.1° | -109.1° |
| Mean Anomaly of the Sun | 171.48° | 171.78° | 172.08° |
| Obliquity | 23.44° | 23.44° | 23.44° |
| Right Ascension of the Sun | 95.25° | 95.57° | 95.88° |
| Sun Declination | 23.35° | 23.34° | 23.33° |
| Moon | 4:11 PM JST (6/27) | | 1:18 AM JST (6/27) |
| Length Of Visible Light: | 15h 33m | ||
| Length of Day | 14h 33m Tomorrow will be 0m 18s shorter. | ||
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