I agree it's undervalued. Sadly too few people are aware that a standard notation for time intervals even exists, and external software support is very sparse (

I agree it's undervalued. Sadly too few people are aware that a standard notation for time intervals even exists, and external software support is very sparse (e.g. lacking in Pandas, R, most SQL implementations). Which leads to too many devs rolling their own buggy solutions for datetime arithmetic.