"on the 5th of November" is practically just removing the word day from the reference. As in "on the 5th (day) of November." It is used everywhere and even though it could be understood a few different ways it is the most correct. "on the 5th November" seems to me to more be dependent on the month and if not year. As in "it's my baby's 5th November" as in, the child is experiencing November ...
grammar - When referring to dates, which form is correct? "on the 5th ...
"5th May" would be the most traditional way to write this date. I have never seen "of" used in a written date, except in extremely archaic constructions such as legal contracts "signed and witnessed this 5th day of May 2012" (Parenthetically, I note that in English law this makes absolutely no difference to validity.
In my opinion "starting on" and "till" don't really go together so I wouldn't use option 1. The phrasing "on leave from X till Y" can be misinterpreted to mean that Y will be your first day back at work, so I wouldn't use option 3 without adding " (inclusive)". Also phrasing it as a range from one date to another sounds odd to me when you're talking about only two days in total. Option 2 ...
In the United States, a person under examination on the witness stand may "plead the fifth" to avoid self-incrimination. In other words, a person asserts his or her Fifth Amendment right. Citizens...
5 It is necessary for me to write about the 2.5th and 97.5th percentiles of a data set. What is the correct way of writing this? This post talks about "zeroth", "n-th" and even "epsilonth" as generalisations of the -th suffix, but I haven't found any guidelines for non-integers. I feel that 2.5th percentile sounds better than 2.5-percentile.