Full info is on the C2C CTF 2024 webpage: https://c2c-ctf-2024.ecusdf.org/
The qualifying round is May 26 (Sun) – 27 (Mon), 30 hours, starting 9:00 am Australian Eastern Standard Time (AEST) and continuing to 3 PM AEST on the 27th. This is 7PM on SAT, May 25 EST to 1 AM on Mon 27 May EST (AEST is 14 hours ahead of EST)
The final competition will be July 7 (Sun) – 8 (Mon), 30 hours, starting 9:00 am AEST, which will be 7PM on July 6 (Sat) to 1 AM on Mon, July 8 EST