"Wed, 27 Mar 2024 22:21:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240327
Only TIME
22:21:04
General datetime
2024-03-27 22:21:04Z
For Database
2024-03-27 22:21:04
For HTTP1.1
Wed, 27 Mar 2024 22:21:04 GMT