Daily check-in is a free recurring login event for HoYoverse's games. Daily check-in is a system in Zenless Zone Zero and other HoYoverse games which allows you to earn free rewards by interacting ...

When To Do Web Check-in? For Domestic Flights: Typically, online check-in becomes available 48 hours prior to the flight's departure and must be completed at least 2 hours before takeoff.