24 in 1 Clock - a Clock Tells Time of All Time Zones. Made From Paper

Intro: 24 in 1 Clock - a Clock Tells Time of All Time Zones. Made From Paper

The world is getting smaller and smaller, you might have a family member or friend that lives in a different time zone. Sometimes it can be confusing what time it is in another side of the earth. So I designed this 24 in 1 clock, that you can see all 24 times at one time.

STEP 1: Parts and Tools:

Parts:

2 x page of 110 lb (199 g/m²), letter sized index paper

1 x clock mechanism ~ $1.5

1 x AA Battery

Tools:

A pair of scissors

Paper knife

Printer

Tape

Ruler for cutting and scoring

STEP 2: How to Read the Clock

The major innovation of this clock is how to read the hours. Instead of the hour handle, I replaced it with a disc with a red spiral. The front clock face has numbers of slots that matches 24 time zones. So at where the red line meet the slot, you can read the current hour of that time zone.

The minute just works as a normal clock, since all the minutes in 24 time zones are the same :D

STEP 3: Print the Patterns

There are 2 options of patterns you can download, the major difference is the clock faces:

1. Full clock face with 24 time zones and cities.

2. Full clock face with 24 time zones with no cities.

Of course you can customize the clock face with only the time zones and cities you care about. An ai file is here so you can use adobe illustrator or Inkscape (free) to edit it. You can also mark the slots where you have family and friends.

Make sure to print it out with 100% scale.

STEP 4: Cut and Score the Patterns

Cut all the patterns perimeter and inside cutouts with a knife.

STEP 5: Fold the Pieces

1. Fold the two rectangular pieces as holders for the clock front. Use small pieces of tape to hold the folds on the ends.

2. Fold the spacer.

3. Fold the 4 "feet" of the clock face.

4.Fold the minute handle: Make sure to score the center line, fold it, then cut the rest of the white flaps, they are there for easier folding. (You don't have to use this minute handle if you are happy with the one come with the clock mechanism).

STEP 6: Stack Them Up

1. Disassemble the clock mechanism. Make sure to unscrew the nut on the clock screw.

2. Put 2 holder pieces on the clock screw, then secure it with the clock nut.

3. Add the spiral disc on to the hour cylinder of the clock.

4. Add spacer piece.

5. Put the clock face, and tackle the "feet" in the folded slots of the holder.

6. Install minute handle on to the minute cylinder.

7. Add the second handle if you like. In my design, I replaced it with a small disc just to show if the clock is running.

STEP 7: Hang the Clock

Wrap the hanger piece around the AA battery, insert it to the clock and it should start ticking.

You can adjust the clock either use the clock knob, or just gently turn the disc.

Hang the clock to your wall with any nail and that's all done!

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Thanks for watching and see you next time!

Comments

[peste386]

Am I misunderstanding something? An analog clock has the hour hand rotate 360° every 12 hours... so in order to represent 24 hours you would need to draw a 720 degree spiral not 360.

[peste386]

I had more of think about this. It will never work with a typical clock mechanism. The only way this could possible work is if you have an analog clock mechanism with a 24-hour hour hand. You have divided up the clock face into 24 sections so a typical 12-hour clock will appear to run at double time. I'm shocked you didn't notice the time immediately becoming innaccurate as it would clearly be noticable after just 30 minutes when it displayed that an entire hour had passed.

[Brian M V]

really cool and smart design!
i'll customize it to display the cities/ country i want/ need and skip the 'half-hour-timezones'.
just a little manual switch indicator for daylightsavingtime and i'll know if i can call my firend/ fam at the other side of the world! as a avid traveller you tend to meet people from all over!

[Friedlc]

Hi Brian,

That's exactly the idea! Glad you like it!

Please show us when you finish!

[creativitiser]

This is a really clever design with definite potential. I am only confused about the 24 time zones because I found there are 37 and so the minutes aren't all the same... https://www.timeanddate.com/time/current-number-time-zones.html

[Friedlc]

Thanks! Yes, I realized it during the build, the timezone is actually way more complicated. There are daylight saving time, etc. A device tells 37 time zones with time changes will be quite complicated. This is more practical to tell the times you care about, not all of them, that's why I designed it that you can only cut a couple slots.