Missing payments. If you don't see a recent payment you've made, make sure you've allowed enough time for the payment to post to your account: Payments made by electronic check, by credit card, at a T-Mobile store, or over the phone usually post to your account right away, but it can take up to three hours.
Nothing in-game uses Kerbin days/years as far as I can tell. A day is defined as 86400 seconds, and a year as 365 days.
How to calculate the number of trading days per year. Trading Days in a Year. Since you have posed the question question of how many trading days in a year, let me first provide you an answer. On average there are ~ 251 days per year.rading Days in a Year. Since you have posed the question question of how many trading days in a year, let me first provide you an answer. On average there are ~ 251 days per year.