"Wed, 19 Jun 2024 13:40:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240619
Only TIME
13:40:40
General datetime
2024-06-19 13:40:40Z
For Database
2024-06-19 13:40:40
For HTTP1.1
Wed, 19 Jun 2024 13:40:40 GMT