It depends what it stands for. If it's the Prime Minister, then yes. If you mean 2 p.m., then no.
Yes, Was it a dog? Hahaha It WAS capitalized! Was can be capitalized.
No it shouldn't be capitalized. Seasons aren't capitalized.
Yes, "I am" is typically capitalized because "I" is a pronoun and should always be capitalized in English.
Yes, "Malaysian" is capitalized when referring to the nationality or language of Malaysia.
Yes, "Football" should be capitalized when referring to the sport in general.
No!
No. it's not necessary. Example: Let's have dinner at 7 p.m.
In writing, "pm" is typically not capitalized unless it begins a sentence. It stands for "post meridiem," which denotes the time after noon. Therefore, in most contexts, you would write it as "pm" rather than "PM." However, some style guides may have specific preferences, so it's best to refer to those if you're following a particular format.
PM in time stands for "Post Meridiem" and refers to "after noon" in 12 hour clock. The "meridiem" is when the sun reaches its zenith (theortically at noon) and post means after.
No, seasons are not capitalized.
Yes, Was it a dog? Hahaha It WAS capitalized! Was can be capitalized.
Midnight to noon is 12 hours (AM), noon to midnight is another 12 hours (PM). Therefore, it is 12 hours from PM to AM.
No, it is not capitalized.
No it's not capitalized.
No it shouldn't be capitalized.
No, keywords do not have to be capitalized.
Wikipedia is capitalized.