system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is there one universal measurement of time, but multiple ways to measure distance and weight?
gpt
There are just less common. Here are some less commonly used time increments.

**moment**	*varies	medieval unit of 90 seconds; modern moments usually shorter*

**ke**		*traditional Chinese unit of decimal time, usually 1/100 of a day. 14 minutes and 24* 

**kilosecond**		*16 minutes and 40 seconds*

**megasecond**		*About 11.6 days*