This is interesting:

From therussophile:

Sun turned dark noon to 3pm (3 hours) in Yakutia, Russia

Mark 15:33

When Jesus died on cross, sun turned dark at noon it stayed dark for 3 hrs - from noon to 3pm

Pulpit Commentary

Verse 33. - And when the sixth hour was come:
This would be midday, twelve o'clock; and the darkness continued until the ninth hour, that is, three o'clock. This supernatural darkness came when the day is wont to be at its brightest