Spanish language Q&A Forum

Why are numbers written with the feminine article when telling time "es la una y media", but written with the masculine article when writing the date, "mi cumpleaños es el uno/primero de enero"?

I have read all the correspondance around this lesson, but my problem has not surfaced. It is this:-

if 'mirar' is intransitive and needs pronoun 'a' before inanimate objects, then I don't have a problem. If, however, it is transitive and takes a direct object ( of inanimate objects ) then I cannot see why there is an indirect  object pronoun at all. Can you explain?

Are the three connectives synonymous or is there a slight difference in their meaning?

Is it possible to omit "Las" or use "unas" instead? Thank you. 

Checked two dictionaries and they show accent over the e? Optional? Changed rule? Checked another dictionary no accent. Regional?