Why didn’t my Eevee evolve into Umbreon at night?

Why didn’t my Eevee evolve into Umbreon at night? Make sure that it’s night time in Pokemon GO, as in the night sky in the game world is dark, and then evolve the Eevee that’s assigned as your buddy Pokemon. If all the requirements are met, then that Eevee should evolve into Umbreon.

Make sure that it’s night time in Pokemon GO, as in the night sky in the game world is dark, and then evolve the Eevee that’s assigned as your buddy Pokemon. If all the requirements are met, then that Eevee should evolve into Umbreon.