Commanders can check server time at the right of Airship. Server time in Clone War is on the basis of  Coordinated Universal Time(UTC). Following events will refresh in 00:00:00 (server time) everyday:

1. Tavern tasks

2. Daily tasks

3. Expedition refresh times

4. Arena rewards and arena challenge chances

5. Airship Trial chances

6. Dungeon sweep chances

7. Flower presented system 

8. Montly attendance, 7 day login bonus, montly card, lifetime card, VIP daily pack

9. Auto-battle accelerate chances.