Basics ·
12 AM vs 12 PM: Which Is Midnight and Which Is Noon?
12 AM is midnight and 12 PM is noon. Why the labels confuse people, what NIST recommends, how 12 AM and 12 PM look in military time, and safe ways to write deadlines.
Read guideField guides
Military time guides
Short, practical articles on reading, converting and using the 24-hour clock.
Showing 1–12 of 17 articles
History ·
The History of Military Time: From Ancient Egypt to the U.S. Army
How the 24-hour day began in ancient Egypt, how railways and navies adopted 24-hour time, and when the Royal Navy, British Army, U.S. Navy and U.S. Army switched to military time.
Read guidePayroll ·
How to Calculate Hours Worked in Military Time (Including Overnight Shifts)
Step-by-step method to calculate hours worked from military time cards: subtract clock-in from clock-out, handle shifts past midnight, subtract breaks, total the week and convert to decimal hours.
Read guideHow-to ·
How to Read Military Time Fast: 5 Mental Tricks
5 mental shortcuts to read military time instantly: the minus-2 trick for 13–19, plus-8 for 20–23, anchor times, the 1200 shortcut and practice drills, with a cheat sheet.
Read guideMilitary ·
Military Date-Time Group (DTG): Format, Examples and How to Read It
How to read and write a military date-time group (DTG) such as 091530Z NOV 26: day, time, time zone letter, month and year, with examples and common mistakes.
Read guideHealthcare ·
Military Time for Nurses: Charting, MAR Times and Dose Schedules
How nurses use military time on medication administration records: reading 24-hour orders, q4h, q6h and q8h schedules in military time, charting, handoffs and common errors.
Read guideAviation ·
Military Time in Aviation: Zulu Time, Flight Plans and Weather Reports
How pilots and air traffic use 24-hour Zulu time: why aviation uses UTC, reading METAR timestamps like 121753Z, converting departure times, and how times are spoken on the radio.
Read guideHow-to ·
Military Time in Excel and Google Sheets: Formulas That Work
Excel and Google Sheets formulas for military time: convert 1830 to 6:30 PM and back, pad 3-digit times, calculate hours between military times including overnight shifts, and total decimal hours.
Read guidePractice ·
Military Time Practice Worksheet: 30 Problems With Answers
Free military time practice worksheet with 30 problems and answers: military to standard, standard to military, midnight and noon, time math and pronunciation. Useful for the ASVAB and nursing exams.
Read guideBasics ·
How to Say Military Time: A Complete Pronunciation Guide
How to pronounce military time correctly: hundred hours, zero vs oh, minutes, midnight, noon, radio and aviation styles, plus a full table of examples from 0000 to 2359.
Read guideBasics ·
Military Time vs. 24-Hour Clock: What Is the Difference?
Military time and the 24-hour clock show the same hours. The 5 differences in writing, colons, leading zeros, speech and time zone letters, with examples and when to use each.
Read guidePayroll ·
Minutes to Decimal Hours: A Payroll Guide for Military Time Cards
Convert minutes to decimal hours for payroll: the divide-by-60 rule, a quick reference table, how wrong decimals underpay workers, rounding rules and converting back to minutes.
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