Hi, "So yours 24 hours haven't completed from/since 15th of March to until now (18th of March)" Here are some phrases that work. from 15/March until now. from 15/Macrh to now since 15/March Overall, the rest of your wording is not great.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.