"Sun, 12 Jan 2025 07:38:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
07:38:40
General datetime
2025-01-12 07:38:40Z
For Database
2025-01-12 07:38:40
For HTTP1.1
Sun, 12 Jan 2025 07:38:40 GMT