"Wed, 15 May 2024 22:21:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
22:21:51
General datetime
2024-05-15 22:21:51Z
For Database
2024-05-15 22:21:51
For HTTP1.1
Wed, 15 May 2024 22:21:51 GMT