> Travel booking often has a fixed schedule with limited time options, such as every 15 minutes. Relative dates like “Today” and “Tomorrow” can be easier to understand.
Except when you're booking a flight and you're not sure whether "today" is based on your local time, the server's local time, or GMT. (I often book flights right about midnight and find words like "today" and "tomorrow" to be completely confusing.)
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