Note this block will be as follows for local time if i have time zones correct.

7pm on Dec 31 for US Eastern Time

4pm on Dec 31 for US Pacific Time

2pm on Dec 31 for Hawaii

11am on Jan 1 for Sydney

9 am on Jan 1 for Tokyo

3 am on Jan 1 for Moscow

Midnight for London, Ireland, Portugal, Mali, etc

Official time for the block is GMT, first block reporting a timestamp >= 1704067200 seconds in the time field. Note that this can be earlier than reality if a miner puts in the wrong time when forming a block. Observations begin 2 hours prior.