From the blog

#day-of-operation

1 article tagged #day-of-operation.

A single schedule rule expanding into a calendar of concrete operating dates, with day-of-week markers, in Active Flights brand blue on near-black.
SSIM & Schedules·

Days of operation and period expansion: the date math that breaks parsers

A single SSIM flight-leg line isn't one flight — it's a rule that expands into many. Getting that expansion exactly right, across days-of-operation, frequency, and season edges, is where a lot of quiet bugs live.

#ssim#schedules#dates#day-of-operation