olemus
periood eelmise kuu algusest, tavaliselt eilseni,
eilne päev kaasa arvatud (tänane on veel poolik)

Wiktionary:
(management, accounting) the period from the beginning of a calendar month to the end of a reporting period

ülevaateid
https://en.wikipedia.org/wiki/Month-to-date

https://www.sisense.com/blog/calculate-mtd-qtd-ytd/

https://www.rigordatasolutions.com/post/month-to-date-mtd-vs-previous-month-to-date-pmtd

vt ka
https://carldesouza.com/total-month-to-date-totalmtd-totalqtd-totalytd-datesmtd-power-bi/