军事时间换算器 — 12 小时制转 24 小时制 & 对照表
军事时间采用从 0000（午夜）到 2359（晚上 11:59）的 24 小时制，消除了上下午的歧义。输入任意标准 12 小时制时间换算为军事时间，或将军事时间换回 12 小时制。下方含完整的 0000–2359 换算表和发音指南。
Result
Frequently Asked Questions
军事时间（24小时制）如何换算为标准时间？
0000-1159 对应 12:00 AM（午夜）至 11:59 AM（上午）；1200-2359 对应 12:00 PM（正午）至 11:59 PM。换算方法：小时数 > 12 时减去 12 即为 PM 时间；1200 = 12:00 PM，0000/2400 = 12:00 AM（午夜）。
军事时间（24小时制）如何读出和书写？
军事时间通常读作 4 位数：如 0930 读作"零九三零"，1400 读作"一四零零"，2100 读作"二一零零"。书写时不加冒号（09:30 写作 0930），也有些系统使用冒号（09:30）。军事术语在 2000 之后通常加上"小时"（hours）。
为什么军队和医疗机构使用 24 小时制？
24 小时制消除了 AM/PM 带来的歧义，在紧急情况下可以防止误解导致的严重错误（如错误给药时间或军事行动时间混淆）。航空、铁路、医疗和军事等对时间精度要求极高的领域广泛采用 24 小时制。
不同时区的军事时间如何转换？
军事和航空领域使用字母代码表示时区，Z（Zulu）代表 UTC 时间（世界协调时）。时区转换时，在时间后加上对应字母，如 1400Z 表示 UTC 14:00，在东八区（北京时间）则为 2200（+8小时）。
Military Time — Complete Reference Guide
What Is Military Time?
Military time is a timekeeping method based on the 24-hour clock that runs from midnight (0000) to 2359. Instead of repeating 1–12 twice with AM and PM suffixes, military time counts continuously from 0000 at midnight to 2359 just before the next midnight. This eliminates ambiguity — there is no confusion between 6:00 in the morning and 6:00 in the evening.
Military time is pronounced differently from the 24-hour clock used in Europe. For example, 1430 is spoken as "fourteen thirty" rather than "two thirty PM." Times on the hour are spoken as "hundred hours" (e.g., 1400 = "fourteen hundred hours").
Key fact: Military time and the 24-hour clock represent the same values but differ in notation and pronunciation. Military time is written without a colon (1430), while the 24-hour clock typically uses a colon (14:30).
How to Convert Between Military and Standard Time
Standard (12-hour) to Military Time
- AM hours (1:00 AM – 11:59 AM): Keep the hour the same, pad to two digits. 9:15 AM becomes 0915.
- 12:00 AM (midnight): This becomes 0000 — the special case where 12 wraps to 0.
- PM hours (1:00 PM – 11:59 PM): Add 12 to the hour. 3:45 PM becomes 1545.
- 12:00 PM (noon): Stays 1200 — noon is the one PM time where you do not add 12.
Military Time to Standard (12-hour)
- 0000–0059: These are 12:00 AM – 12:59 AM. Subtract nothing; replace leading hour with 12.
- 0100–1159: These are 1:00 AM – 11:59 AM. Drop leading zeros for the hour.
- 1200–1259: These are 12:00 PM – 12:59 PM. Keep hour as 12, add PM.
- 1300–2359: These are 1:00 PM – 11:59 PM. Subtract 12 from the hour and add PM.
| Standard | Military | Rule Applied |
|---|---|---|
| 12:00 AM | 0000 | 12 AM → 0 |
| 6:30 AM | 0630 | AM: keep hour, pad |
| 12:00 PM | 1200 | 12 PM stays 12 |
| 2:45 PM | 1445 | PM: 2 + 12 = 14 |
| 11:59 PM | 2359 | PM: 11 + 12 = 23 |
Military Time Conversion Chart (0000–2359)
The table below shows every hour of the day in military, standard 12-hour, and 24-hour formats. Minutes follow the same mapping — just append the two-digit minute value to the hour block (e.g., 14 hours 30 minutes = 1430).
| Military | 12-Hour | 24-Hour | Pronunciation |
|---|---|---|---|
| 0000 | 12:00 AM | 00:00 | Zero hundred hours |
| 0100 | 1:00 AM | 01:00 | Zero one hundred hours |
| 0200 | 2:00 AM | 02:00 | Zero two hundred hours |
| 0300 | 3:00 AM | 03:00 | Zero three hundred hours |
| 0400 | 4:00 AM | 04:00 | Zero four hundred hours |
| 0500 | 5:00 AM | 05:00 | Zero five hundred hours |
| 0600 | 6:00 AM | 06:00 | Zero six hundred hours |
| 0700 | 7:00 AM | 07:00 | Zero seven hundred hours |
| 0800 | 8:00 AM | 08:00 | Zero eight hundred hours |
| 0900 | 9:00 AM | 09:00 | Zero nine hundred hours |
| 1000 | 10:00 AM | 10:00 | Ten hundred hours |
| 1100 | 11:00 AM | 11:00 | Eleven hundred hours |
| 1200 | 12:00 PM | 12:00 | Twelve hundred hours |
| 1300 | 1:00 PM | 13:00 | Thirteen hundred hours |
| 1400 | 2:00 PM | 14:00 | Fourteen hundred hours |
| 1500 | 3:00 PM | 15:00 | Fifteen hundred hours |
| 1600 | 4:00 PM | 16:00 | Sixteen hundred hours |
| 1700 | 5:00 PM | 17:00 | Seventeen hundred hours |
| 1800 | 6:00 PM | 18:00 | Eighteen hundred hours |
| 1900 | 7:00 PM | 19:00 | Nineteen hundred hours |
| 2000 | 8:00 PM | 20:00 | Twenty hundred hours |
| 2100 | 9:00 PM | 21:00 | Twenty-one hundred hours |
| 2200 | 10:00 PM | 22:00 | Twenty-two hundred hours |
| 2300 | 11:00 PM | 23:00 | Twenty-three hundred hours |
Minutes 01–59 use the same hour prefix. For example, 1430 = "fourteen thirty" (2:30 PM).
Who Uses Military Time?
Military time is used wherever precision and clarity matter most — where an AM/PM mix-up could have serious consequences.
Military and Defense
All branches of the US Armed Forces use military time for orders, operations logs, and communications. NATO and allied militaries worldwide follow the same convention. The 24-hour format prevents mission-critical errors that could result from AM/PM confusion.
Healthcare and Emergency Services
Hospitals, pharmacies, and emergency services use military time for medication schedules, patient records, and incident logs. A dosing error from confusing 6 AM and 6 PM can be life-threatening, so the unambiguous 0600 vs. 1800 notation is standard in clinical settings.
Aviation and Transportation
Air traffic controllers, pilots, and flight dispatchers use military time for flight plans, departure/arrival times, and incident reports. International rail and bus schedules in Europe, Asia, and elsewhere also use 24-hour format to avoid timetable confusion across time zones.
Computing and Science
Server logs, databases, and programming languages commonly use the 24-hour clock (ISO 8601 format: HH:MM:SS) for timestamps. Scientists and researchers use it to avoid data ambiguity in recordings and publications.
Everyday Use Outside the US
Most of Europe, Latin America, Asia, Africa, and Australia use the 24-hour clock as the everyday standard. In these regions the 12-hour AM/PM system is the exception rather than the rule.