Japan uses a similar system: https://en.wikipedia.org/wiki/JJY https://en.wikipedia.org/wiki/JJY Most typical home clocks will use this signal to set themselve

Japan uses a similar system: https://en.wikipedia.org/wiki/JJY https://en.wikipedia.org/wiki/JJY Most typical home clocks will use this signal to set themselves up automatically, which is made easier by the fact that Japan does not have daylight saving time.