4 ms·
I always understood the limit as being from midnight to dawn. Midnight should probably be understood as the lunar zenith rather than the clock time as well.
by t-3 2y ago
I always understood the limit as being from midnight to dawn. Midnight should probably be understood as the lunar zenith rather than the clock time as well.
- jon_richards 2y agoLunar zenith isn’t midnight. It can happy at any time, including during the day.
- euroderf 2y agoSounds like a nifty way to introduce gradeschoolers to astronomic concepts.