Today means "the current day", so if you're asking what day of the week it is, it can only be in present tense, since it's still that day for the whole 24 hours. In other contexts, it's okay to say, for example, …

2016年2月29日 · Two other options (in addition to "as from today," "from today," and "effective today") are "beginning today" and "as of today." These may be more U.S.-idiomatic forms than British …

2016年12月12日 · In my town, people with PhD's in education use the terms, "on today" and "on tomorrow." I have never heard this usage before. Every time I hear them say it, I wonder if it is …

2012年9月10日 · In old books, people often use the spelling "to-day" instead of "today". When did the change happen? Also, when people wrote "to-day", did they feel, when pronouncing the word, that it …

3 “Earlier today” is a totally correct way to refer to a point in time between the beginning of the day and the current time. Because it refers to a moment in the past, it can be used with the past tense, as you …

But by putting the "today" at the end, you are making a declaration of time which is odd for the present simple. So, to the answer: I would, in general, use the first construction. Though an exact answer …

I think it is a good question. When there is yesterday morning and tomorrow morning, why have an exception for this morning (which means today's morning)? Yes, idiom, but I actually do like idiomatic …

2014年11月20日 · The 2002 reference grammar by Huddleston and Pullum et al., The Cambridge Grammar of the English Language, would consider words like yesterday, today, tonight, and …

No, "as of" can mean both - 1) As of today, only three survivors have been found. 2) As of today, all passengers must check their luggage before boarding the plane.

The apostrophe indicates possession. Without an apostrophe you are indicating plurality. Since the point you are trying to convey is that the assumption you made yesterday is no longer valid, the …