"Wed, 15 May 2024 04:40:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
04:40:56
General datetime
2024-05-15 04:40:56Z
For Database
2024-05-15 04:40:56
For HTTP1.1
Wed, 15 May 2024 04:40:56 GMT