1800 in military time

1800 is 6:00 PM

That's in the evening. It's said “eighteen hundred”.

Questions

What is 1800 in regular time?

1800 in military time is 6:00 PM in standard 12-hour time.

How do you say 1800 in military time?

“Eighteen hundred.”

How do I work out 1800 myself?

Subtract 12 from the hour: 18 − 12 = 6, so 1800 is 6:00 PM.