"Sat, 12 Oct 2024 18:38:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241012
Only TIME
18:38:21
General datetime
2024-10-12 18:38:21Z
For Database
2024-10-12 18:38:21
For HTTP1.1
Sat, 12 Oct 2024 18:38:21 GMT