"Wed, 04 Dec 2024 09:15:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241204
Only TIME
09:15:21
General datetime
2024-12-04 09:15:21Z
For Database
2024-12-04 09:15:21
For HTTP1.1
Wed, 04 Dec 2024 09:15:21 GMT