"Sun, 19 Jan 2025 05:35:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
05:35:00
General datetime
2025-01-19 05:35:00Z
For Database
2025-01-19 05:35:00
For HTTP1.1
Sun, 19 Jan 2025 05:35:00 GMT