Today, finding out the exact time is not difficult. If you do not have a regular watch with you, you can use the radio, the built-in clock of a mobile phone or personal computer. But what if, for example, you need to know the time on a camping trip, far from the city?
You will need
Compass, sun; voices of birds; sheet of paper, pencil, experts
Instruction manual
1
If you are far from civilization with its convenient devices for determining the time, and you have lost or refused an ordinary clock, then you can use an ordinary compass and the sun.
2
First you need to determine the azimuth in the direction of the sun. To do this, set the compass horizontally, orient it on the sides of the horizon. Then point the compass sighting device toward the sun and determine the angle between the north direction and our daylight, following the clockwise direction. The magnitude of such an angle will be the azimuth we need.
3
The azimuth value in degrees must now be divided by 15. This is the amount by which the sun rotates in the sky in one hour. The resulting number will become the local time indicator at the moment. For example, the compass azimuth was 90 degrees. Therefore, local time is six hours.
4
In the forest or in nature, time can also be determined by the voices of birds. At about two in the morning the nightingale begins to trill. At three nights, songs are started by a quail, a cuckoo and a lark. The finch sing is taken at four in the morning. The sparrow began to chirp - already at about six in the morning.
5
There is also a fun statistical method for determining time based on expert judgment. If you were without a clock in nature a company of one and a half dozen people, you can experiment and use this method.
6
Take a piece of paper, tear it into pieces according to the number of participants in the experiment, and then by means of a sequential written survey of all those present, establish their time estimate at the moment. You should not get into the discussion aloud, otherwise the opinions of some may affect others, the purity of the experiment will be impaired.
7
Everyone will try to set the time intuitively, based on experience, on natural objects and so on. The obtained time values must be added up and divided by the total number of survey participants. When counting, the extreme values are mutually destroyed, so you get an averaged result that matches the local time very accurately.
eight
By the way, you can make such an expert assessment in another form in any team. Demonstrate a fountain pen to your colleagues and invite your colleagues to evaluate their length in millimeters by sight. Collect pieces of paper with numbers, calculate the average value. Both you and your colleagues will be very surprised, because the answer found through expert evaluation will very accurately correspond to the real one.
Helpful advice
Additional source:
“7: 1 in our favor”, V.A. Abchuk, 1982.
