How to use the online alarm clock
One in the afternoon is the hour right after most lunch breaks wrap up, and it's commonly used as a "back to it" alarm — a reminder to return to a desk, reopen a laptop, or head back to a worksite after the midday break.
It's also a popular slot for afternoon meetings, particularly ones that get pushed later to avoid clashing with lunch. Parents of younger children sometimes use a 1 pm alarm around nap times, since an early afternoon sleep is common for toddlers and preschoolers in many households.
For students, 1 pm often marks a specific class period or the return from a lunchtime break at school, while shift workers starting an early-afternoon roster use it as their main wake-up or "leave home now" alarm.
Every minute of the 1 pm hour is listed individually below. Each page is a simple browser-based alarm that runs entirely on your device — set the minute, keep the tab open, and it will sound right on schedule.