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 |
|---|
| saturday |
| sunday |
| monday |
| end_date |
| service_id |
| tuesday |
| friday |
| start_date |
| thursday |
| wednesday |
saturday,sunday,monday,end_date,service_id,tuesday,friday,start_date,thursday,wednesday 0,0,1,20180915,1,1,1,20160815,1,1 1,0,0,20180915,2,0,0,20160815,0,0 0,1,0,20180915,3,0,0,20160815,0,0 0,0,1,20180915,s1,1,1,20160815,1,1