Yes, it is grammatically correct to say “summertime” when referring to the summer season in either America or the UK. However, it would be grammatically incorrect t… See more

“Summertime” refers to the summer season and is synonymous with “summer.” You can say, “my family always takes a week-long family vacation in summertime.” Still, British English spe… See more

“Summertime” is a noun, but it can also function as an adjective. It has the same form as a subject, object, or adjective. You should not capitalize “summertime” unless it is the firs… See more

You should not use “summertime” in a plural form because it is an uncountable noun; you can use “summers” instead. Also, avoid using “summertime” in reference t… See more

By and large, American English favors more informal forms while British English retains more formal grammar. In addition, the British tend to retain the spelling of words they … See more