The domain in which you're writing will inform the degrees of accuracy 8:00am and 8am convey. So now I know that while "8am" could mean exactly 8:00am, "8:00am" should still be used for the sake of being explicit in contexts where precision is not obviously implied, and/or for the sake of aesthetic consistency.
Does “8am” mean 𝒆𝒙𝒂𝒄𝒕𝒍𝒚 08:00:00.000 in the morning, or does it just ...
Exact time now, time zone, time difference, sunrise/sunset time and key facts for Central Standard Time (CST).
Central Standard Time (CST) is the second easternmost time zone in the United States and is also used in Canada. It covers all or parts of 20 states in the US and three provinces or territories in Canada.
Daylight saving time is observed in most parts of that zone (20 states in the US, three provinces or territories in Canada, and several border municipalities in Mexico): Central Standard Time (CST) is observed from the first Sunday in November to the second Sunday in March.
In North America, Central Standard Time (CST) refers to a time which is followed in the Central Time Zone. CST means a standard time where six hours is subtracted from GMT (UTC/GMT −6), and during daylight saving time (DST), five hours is subtracted from GMT (UTC/GMT -5).
What is the Central Time Zone? The Central Time zone is an area 6 hours behind Greenwich Mean Time (GMT-6) during the winter months (referred to as Central Standard Time or CST) and 5 hours behind Greenwich Mean Time (GMT-5) during the summer months (referred to as Central Daylight Time or CDT).