Nighttime is wrong?

[AdrenolineLove]

[Mon Aug 14 11:25:12 2023] You have entered Butcherblock Mountains.
[Mon Aug 14 11:25:18 2023] You begin casting Dance of the Fireflies.
[Mon Aug 14 11:25:21 2023] Spell can only be cast during the night.
[Mon Aug 14 11:25:21 2023] Your spell is interrupted.
[Mon Aug 14 11:25:26 2023] Game Time: Sunday, January 08, 3184 - 4 AM
[Mon Aug 14 11:25:26 2023] Earth Time: Monday, August 14, 2023 11:25:26
[Mon Aug 14 11:25:34 2023] You say to your guild, 'is 4am not night time?'
[Mon Aug 14 11:25:36 2023] You begin casting Dance of the Fireflies.
[Mon Aug 14 11:25:39 2023] Spell can only be cast during the night.
[Mon Aug 14 11:25:39 2023] Your spell is interrupted.
[Mon Aug 14 11:25:59 2023] You say to your guild, '"Classic night begins at 6 PM. Classic daytime begins at 6 AM.[1]" according to the wiki'
[Mon Aug 14 11:26:05 2023] Game Time: Sunday, January 08, 3184 - 5 AM
[Mon Aug 14 11:26:05 2023] Earth Time: Monday, August 14, 2023 11:26:05
[Mon Aug 14 11:26:09 2023] You begin casting Dance of the Fireflies.
[Mon Aug 14 11:26:12 2023] Spell can only be cast during the night.
[Mon Aug 14 11:26:12 2023] Your spell is interrupted.

[zelld52]

I think nighttime is 8pm - 4am