@soei/time
Format Date : 'YYYY-MM-DD (子|丑|丑|寅|寅|卯|卯|辰|辰|巳|巳|午|午|未|未|申|申|酉|酉|戌|戌|亥|亥|子)时 24h:mm:ss 周week' => '2023-12-25 子时 23:59:40 周一'
time-delta
Formats difference between two dates as a human-readable string in almost any language
date-range-diff
Basic simple NPM package in getting date range difference between 2 specific dates.