28th, Dec 2012
That depends on the country in which you live and the arrangements for paying disability in that country. As you have not informed us about your country, this is the best answer we can give.
There is no set or specific date that a welfare check gets mailed. However, they tend to arrive in your mailbox between the 1st to the 7th of the month.
If you depart Sydney on a Monday, you will typically arrive in Hawaii on the same day, Monday, but due to the time zone difference, the flight might take you across the International Date Line. This means you would usually arrive earlier in the day, depending on the flight duration, which is approximately 10 to 11 hours. However, check your specific flight details to confirm the exact arrival time.
If you get your check normally on the 1st or 2nd day of the month, your January check may be mailed or directly deposited on Friday, Dec 31stl, 2011. If not then you will get it on your normal day after the 2nd of January 2012. I personally wouldn't expect it unti January 3rd, 2012, because of the 3.6% increase that is scheduled to be applied to it.
If it takes two business days to ship, then it will arrive on wednesday. The day count always starts the day after you order it, because if it will ship in one day it will not arrive the same day that you order it.
Flying from the US to Europe, you could arrive the same day or the next day. Flying from Europe to the US, you could arrive the same day or the previous day.
A "severe" disability is one that has a huge impact on how someone gets by day to day. This could be through a physical disability, a mental impairment or an acute illness. When classing disability, its with regard to needing more help than someone of the same age without a disability. So to have a severe disability, you need a large amount of support and assistance.
if you leave on a Thursday you arrive in Australia on a Friday
These things change all of the time and may vary day by day. The best thing to do would be to check the notice boards when you arrive at the station.
Friday
on my birth day
They usually arrive the day after they are shipped, or the day after that.