Time Guides and Tips

Simple guides to adding hours, reading the 24-hour clock and understanding US time zones.

How to Calculate Hours From Now (Without a Calculator)

A simple 3-step method for adding hours to any time, with worked examples for crossing midnight.

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12-Hour vs 24-Hour Time: Easy Conversion Chart

How military time works, how to convert it in seconds, and a full 24-hour conversion chart.

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US Time Zones and Daylight Saving Time (2026–2027)

The six main US time zones, their UTC offsets, and when the clocks change in 2026 and 2027.