Expand date-time test coverage in 'fa-ir/date_time_test.json'

[coderabbitai]

As per the discussion in PR #1, we need to expand the date-time test coverage to include additional test cases.

Comment reference: #1 (comment)

Details:
The current test cases only cover a single afternoon time. We should add tests for:

1. Midnight (00:00) and noon (12:00)
2. Morning times (AM)
3. Edge cases like 23:59:59
4. Single-digit hours and minutes (e.g., 01:05, 5:08)

Requester: @JarbasAl