Thanks! I've ridden the Safari many, many times but always in daylight. I was hoping to ride just as the sun is setting but it is not quite dark. Dusk, maybe? Afraid I usually mentally check out whenever people talk astronomy.
Sunset is actually about 25-30 min. before "dark" so plan accordingly.
(It can also heavily depend on clear vs. cloudy conditions.)
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I know this is about Safari, but...
about Expedition Everest:
BTW, I absolutely LOVE riding EE in the dark, dark.
They used to offer PM EMH at DAK and riding EE in the blackness was always a goal
(2-3 times, too.)
But, for such a long time they had been closing EE at night that EE in the dark was not available.
Now it is, again.
I would ride about 10-15 min. after "Sunset" and still get the benefit of a semi-light, golden sky.
And, ride again after darkness has fallen.
Figure to book a FP a bit before "sundown" and go get in the FP line right at "sunset."
OTOH, the EE Single Rider Line can be very, very effective (best of the 3 SRLs at WDW.)