I just realized that I’ve never needed to use 31th or 31st in my four years English study. So which one is correct, and what about other alternatives? 31th or 31st 101th or 101st 1001th or 1...

Is it incorrect to say "Please do this before Tuesday"? Is there a difference between that and "Please do this by Tuesday"?

2019年8月20日 · If some validity period, say a promotion, specifies "valid through 2021", does that mean until Dec 31, 2021, or Jan 1, 2021? This is in the USA, if this differs around the world.

2014年8月28日 · As others have specified, the word by is generally synonymous with no later than when referring to a date or time. However, it is important to note (and this is why I am …

As OF implies everything up to and including a particular point in time. As AT is similar to as of, and could be used synonymously. As at has a connotation of a snapshot. You might say …

2015年3月1日 · "My patient has been under my care from January 1st to Jan. 19th." "My patient has been under my care from Jany 1st through Jan. 19th." Do both of these windows of time …

2022年4月7日 · In contrast, "BY January 31" means any time leading up to the 31st, including the day of the 31st itself, but NO LATER than that day. So, "by January 31" means you can submit …

2019年10月1日 · 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 …

2014年9月17日 · I am always confused when I get an email stating "out of office until Thursday". Is the sender back on Thursday or still out of office (o.o.o.) on Thursday and only back on …

2014年8月23日 · Our numbers have a specific two-letter combination that tells us how the number sounds. For example 9th 3rd 301st What do we call these special sounds?