"Wed, 12 Jun 2024 13:40:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240612
Only TIME
13:40:21
General datetime
2024-06-12 13:40:21Z
For Database
2024-06-12 13:40:21
For HTTP1.1
Wed, 12 Jun 2024 13:40:21 GMT