0545 at a glance
- 12-hour time
- 5:45 AM
- 24-hour clock
- 05:45
- Say it
- zero five forty-five hours
- Part of day
- Early morning
- Minutes after midnight
- 345
- Minutes until midnight
- 1,095
- Decimal hours
- 5.75
- Share of the day gone
- 23.96%
How to convert 0545 to standard time
- The hour digits are 05. Hours 01 to 11 are the same on both clocks — just drop the leading zero: 5.
- Put a colon before the minutes and add AM: 5:45 AM.
How to say 0545
| Style | How it sounds |
|---|---|
| Military (spoken) | “zero five forty-five hours” |
| Radio, digit by digit | “zero five four five” |
| Civilian | “quarter to six in the morning” |
| Written 24-hour | 05:45 or 0545 |
Off the hour, say the hour pair and then the minutes: 05 → “zero five”, 45 → “forty-five.” Adding “hours” at the end is standard in military speech but optional elsewhere.
0545 Zulu (UTC) in US time zones
Military and aviation schedules give times in Zulu — Coordinated Universal Time — so that everyone works from one clock. When a message says 0545Z, this is the local time across the United States:
| Time zone | Standard time | Daylight time |
|---|---|---|
| Eastern (EST / EDT) | 12:45 AM — R | 1:45 AM — Q |
| Central (CST / CDT) | 11:45 PM (previous day) — S | 12:45 AM — R |
| Mountain (MST / MDT) | 10:45 PM (previous day) — T | 11:45 PM (previous day) — S |
| Pacific (PST / PDT) | 9:45 PM (previous day) — U | 10:45 PM (previous day) — T |
| Alaska (AKST / AKDT) | 8:45 PM (previous day) — V | 9:45 PM (previous day) — U |
| Hawaii (HST) | 7:45 PM (previous day) — W | No daylight time |
The letter after each time is that zone’s military time-zone letter: Eastern standard time is R (Romeo, UTC−5), so 0545Z is 0045R. Daylight time runs from the second Sunday in March to the first Sunday in November; Hawaii and most of Arizona stay on standard time all year.
If 0545 is your local time
- 0545 Eastern is 1045Z in winter (EST) and 0945Z in summer (EDT).
- 0545 Central is 1145Z in winter (CST) and 1045Z in summer (CDT).
- 0545 Mountain is 1245Z in winter (MST) and 1145Z in summer (MDT).
- 0545 Pacific is 1345Z in winter (PST) and 1245Z in summer (PDT).
Times around 0545
| Change | Military | Standard |
|---|---|---|
| −60 min | 0445 | 4:45 AM |
| −45 min | 0500 | 5:00 AM |
| −30 min | 0515 | 5:15 AM |
| −15 min | 0530 | 5:30 AM |
| This time | 0545 | 5:45 AM |
| +15 min | 0600 | 6:00 AM |
| +30 min | 0615 | 6:15 AM |
| +45 min | 0630 | 6:30 AM |
| +60 min | 0645 | 6:45 AM |
Shifts that start at 0545
- An 8-hour shift starting at 0545 ends at 1345 (1:45 PM).
- A 10-hour shift starting at 0545 ends at 1545 (3:45 PM).
- A 12-hour shift starting at 0545 ends at 1745 (5:45 PM).
- To total the hours on a real time card with breaks, use the time card calculator.
0545 in everyday use
- 0545 is early-shift territory. Many 12-hour shifts in hospitals and plants change over at 0700 and 1900, and 8-hour shifts often start at 0600 or 0700, so times like 0545 are common on rosters and badge records.
- Because the hour is below 10, the military form keeps a leading zero: 0545, never 545.
Frequently asked questions
What is 0545 in regular time?
0545 is 5:45 AM in regular 12-hour time.
Is 0545 AM or PM?
0545 is AM. Military times from 0000 to 1159 are AM and times from 1200 to 2359 are PM.
How do you say 0545 in military time?
Say “zero five forty-five hours.” In radio procedure each digit is spoken separately, so 0545 can also be read digit by digit.
What is 0545 Zulu in Eastern time?
0545Z is 12:45 AM Eastern Standard Time (UTC−5) and 1:45 AM Eastern Daylight Time (UTC−4).