# Mirrored clock time calculator

World's simplest time tool
With this browser-based application, you can find the mirror time for any given clock time. It finds the mirror image of the hours and minutes hands of a round wall clock and prints the resulting mirror time to the output. Additionally, you can use clocks with a seconds hand. The input field accepts as many timers as you need in the formats HH:MM or HH:MM:SS, and you can also choose the format for the output time values. Created by computer nerds from team Browserling.

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## What is a mirrored clock time calculator?

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This is a quick online utility for calculating the time that a round clock shows if you look at it in a mirror. When you put a clock in front of a mirror, its left side is swapped with the right side and the right side is swapped with the left side. Another way to think about what happens when you look at a clock in a mirror is to imagine a center vertical line that goes through 12:00 and 06:00 and everything to the left and right is switched. For example, the mirror time of a clock showing 3:00 is 9:00 because the 3:00 time has the hour hand pointing east but in the mirror, the hour hand is now pointing west. The minute hand in both 3:00 and 9:00 clocks points north. Other examples of mirror symmetric clock times are 02:20 and 09:40, 12:50 and 23:10, 06:24 and 05:36. If both the minute and hour hands are simultaneously pointing either north or south, then the mirror time will be the same as the original time. These are the clock times 00:00, 6:00, 12:00, 18:00 (and 24:00, which is the same as 00:00). Our program is also able to find mirror time for clocks that have a seconds hand. For example, mirrored clocks that include seconds are 02:02:40 and 09:57:20, 00:05:10 and 11:54:50, 09:01:55 and 02:58:05. A quick way to check if you found the correct mirror image of a clock is to sum the original time and the mirrored time. Both values have to add either to 12:00:00 (if you use a 12-hours clock) or 24:00:00 or 36:00:00 (if you use a 24-hour clock). You can load as many clock times in the input text area as you want by placing them one per line. In the output text area, you will instantly get their corresponding mirror images. You can also slightly modify the output time format in the options. In particular, the mirror time can be printed in 12-hour or 24-hour format and with or without padding. Timeabulous!

## Mirrored clock time calculator examples

Click to useMirror a 24-hour Clock

In this example, we place four 24-hour format clocks in front of a mirror. These clocks contain only the hour and minute indicators, so the program in its mind constructs a symmetrical image of both hands, reads the result from the mirror, and prints the results to the screen.

16:00
02:40
10:35
12:00

20:00
09:20
01:25
12:00

**Required options**

Mirror a 12-hour Timer

This example calculates mirror values of five different 12-hour timers. To keep the original 12-hour format for the output as well, it switches to the corresponding "H:M:S AM/PM" format in the options. As you can see, the mirrored timers maintain their am/pm indicators – if it was an "am" timer in the input, then it's also an "am" timer in the output, and the same applies to "pm" timers (that's because a mirror swaps only the left/right timer sides but doesn't swap part of the day).

6:05 am
2:24 pm
10:45 am
11:10 am
4:20 pm

5:55 am
9:36 pm
1:15 am
0:50 am
7:40 pm

**Required options**

Clocks with Seconds Hands

In this example, we load multiple clocks in the format HH:MM:SS that have all three time hands/components – hours, minutes, and seconds. For each clock, the program finds its mirror clock, which also has all three time components. However, in the output, they are printed without the zero padding (in "H:M:S" format).

12:16:9
7:24:14
23:49:31
20:24:33
1:54:46
11:3:12
8:45:36

23:43:51
4:35:46
12:10:29
15:35:27
10:5:14
0:56:48
3:14:24

**Required options**

Pro tips
Master online time tools

You can pass input to this tool via

__?input__query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinetimetools.com/mirror-clock-time

__?input__=16%3A00%0A02%3A40%0A10%3A35%0A12%3A00&format=hh-mm-ss
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