極晝

极昼
jízhòu

midnight sun

Wiktionary

Entry Composition

=1 極 jí
  1. extremely
  2. pole (geography, physics)
  3. utmost
  4. top
=1 極 qì
  1. (obsolete on its own in Standard Chinese) alternative form of 亟 (“repeatedly”)
  2. alternative form of 亟 (“repeatedly”)
2 晝 zhòu daytime