Re: [OT] Astronomical puzzling about daylight hours at different latitudes

there must be one day (..well probably two) when they meet and because of this it should be one day with the same amount of daylights hours at 41.45°N and 53.07°N not at the same time but in the same day of the year an equal daylight duration.

Yes, we call this Equinox.

🦛

Comment on Re: [OT] Astronomical puzzling about daylight hours at different latitudes

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Re^2: [OT] Astronomical puzzling about daylight hours at different latitudes by Discipulus (Canon) on Sep 04, 2024 at 11:35 UTC
> Yes, we call this Equinox :D thanks hippo. The name reminds me something indeed :) But it happens I checked the September 22th dawns, susnset and daylight hours: `41.45°N 06:58 19:05 12:06 53.07°N 07:12 19:21 12:09` [download] Maybe this is the day when the distance is smallest among daylights hours? L* There are no rules, there are no thumbs.. Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.	[reply] [d/l]
Re^3: [OT] Astronomical puzzling about daylight hours at different latitudes by hippo (Archbishop) on Sep 04, 2024 at 12:14 UTC
From the previously linked article: On the date of the equinox, the [centre] of the Sun spends a roughly equal amount of time above and below the horizon at every location on the Earth, so night and day are about the same length. Sunrise and sunset can be defined in several ways, but a widespread definition is the time that the top limb of the Sun is level with the horizon. With this definition, the day is longer than the night at the equinoxes 🦛	[reply]