​Welcome to part two of Hell is Programming a Calendar, where I will dive into some of the more nitty-gritty details about handling time specifically in Drupal. If you haven’t already, I highly recommend checking out part one where I explain why time, in a more general programming sense, is so complicated in the first place.

Anatomy of a date field

Let’s start by breaking down Drupal’s core date field into its smaller components to examine how it works.

In my mind, the core date field can be broken down into four major components.