"Sat, 18 Jan 2025 07:38:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
07:38:03
General datetime
2025-01-18 07:38:03Z
For Database
2025-01-18 07:38:03
For HTTP1.1
Sat, 18 Jan 2025 07:38:03 GMT