"Sun, 01 Dec 2024 18:37:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
18:37:21
General datetime
2024-12-01 18:37:21Z
For Database
2024-12-01 18:37:21
For HTTP1.1
Sun, 01 Dec 2024 18:37:21 GMT