"Sun, 16 Jun 2024 10:57:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
10:57:21
General datetime
2024-06-16 10:57:21Z
For Database
2024-06-16 10:57:21
For HTTP1.1
Sun, 16 Jun 2024 10:57:21 GMT