calendar_service_intervals: Get the weekday intervals of the calendar entries

In gtfstools: General Transit Feed Specification (GTFS) Editing and Analysing Tools

Get the weekday intervals of the calendar entries

Description

Returns one row per calendar entry and weekday on which it runs, with the first and last days of the entry as integers (days since 1970-01-01). Entries with missing or inverted dates are dropped.

Usage

calendar_service_intervals(gtfs, service_id = NULL)

Arguments

gtfs	A GTFS object.
service_id	The service_ids whose entries should be kept, or NULL to keep every entry.

Value

A data.table with the columns service_id, weekday (an integer, 1 is monday), first_day and last_day, empty if the GTFS object has no calendar table.

gtfstools documentation built on Oct. 28, 2026, 5:13 p.m.