"Sat, 18 May 2024 06:36:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240518
Only TIME
06:36:57
General datetime
2024-05-18 06:36:57Z
For Database
2024-05-18 06:36:57
For HTTP1.1
Sat, 18 May 2024 06:36:57 GMT