"Day" always means 24 hours, at least on Earth. You take your Rx three times ... spaced as evenly as possible ... during whatever part of the 24-hour day you're awake.
its 1/2
45 minutes is 3/4 of an hour. 45/60 = 3/4
1 hour = 60 minutes 35/60 = 7/12
15 minutes is 1/4 hour or .25 hours.
A 60th part of an hour is called a minute.
A second of arc.
Well, isn't that just a happy little question! 20 minutes is one-third of an hour, because there are 60 minutes in an hour, and 20 is one-third of 60. So, 20 minutes is like a little slice of time that fits perfectly into our big, beautiful hour. Just remember, every little part counts and adds to the whole painting of your day.
It does not have a name, it does not exist.
The Preamble.
The Altar.
The curved part of a saddle is called the "seat."
Root
Iris
The Duodenum.
hardware
Masonic tradition refers to a toast given at the ninth hour of the evening. This toast is given in honor of Masons who are not present during a Lodge meeting, but who are remembered as part of the Brethren and missed by their absence.