0400 hours in military time is 4 a.m. in the civilian world. However the US Marine Corps does not use the term 'hours'; they would call it '0400.' The Army and Air Force would say '0400 hours.'
I've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
More answers
0400 hours in military time is 4 a.m. in the civilian world.
However the US Marine Corps does not use the term 'hours'; they
would call it '0400.' The Army and Air Force would say '0400
hours.'