set_start_date: Set and persist the start date
Description
Saves the provided ISO 8601 start date to the config file.
Usage
set_start_date(start_date)
Value
A logical scalar (TRUE), returned invisibly, indicating that the start date was saved and persisted successfully.
Arguments
- start_date
Date in ISO 8601 UTC format, e.g., "2025-06-25T00:00:00Z"