calendar.txt: Dates for service IDs using a weekly schedule. Specify when service starts and ends, as well as days of the week where service is available.
| Column |
|---|
| service_id |
| monday |
| tuesday |
| wednesday |
| thursday |
| friday |
| saturday |
| sunday |
| start_date |
| end_date |
service_id, monday, tuesday, wednesday, thursday, friday, saturday, sunday, start_date, end_date A1, 1, 1, 1, 1, 1, 0, 0, 20180101, 20190602 A2, 0, 0, 0, 0, 0, 1, 0, 20180101, 20190602 A3, 0, 0, 0, 0, 0, 1, 1, 20180101, 20190602 A4, 0, 0, 0, 0, 0, 0, 1, 20180101, 20190602