Calendar (required)

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.

Fields

service_id (required)

The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes. Each service_id value can appear at most once in a calendar.txt file. This value is dataset unique. It is referenced by the trips.txt file.

Days of the Week… (required)

Fields (all are required):

• monday
• tuesday
• wednesday
• thursday
• friday
• saturday
• sunday

Each field contains a binary value that indicates whether the service is valid for all days of that week.

• 1: Indicates that service is available on this day of the week for the entire date range. (The date range is specified using the start_date and end_date fields.)

• 0: Indicates that service is not available on this day for the entire date range.

start_date (required)

The start_date field contains the start date for the service.

The start_date field’s value should be in YYYYMMDD format.

end_date (required)

The end_date field contains the end date for the service. This date is included in the service interval.

The end_date field’s value should be in YYYYMMDD format.