What day/week exactly is JB payable, is it supposed to be in arreas?

Apologies for vagueness of title. I am confused as to when exactly the benefit is due to be collected from post office. Up to now I have received two amounts off social welfare JB from post office. One dated pay period 30/10/08 to 24/12/08. This included my back payment which I collected on 20/12/08. Then I went to post office on Monday of this week 29/12/08 for the period collected 25/12/08 to 31/12/08. Went to post office today to collect for this week, ie: 01/01/09 (current week) and was told that there was no payment due until next week. Surely this would mean that I would loose a week?

As far as I know, JB is paid on Wednesday and is in arrears.

Payment day is Wednesday but it will usually be available at the Post Office on the Tuesday.

The payment week for JB is Thursday - Wednesday and is always paid in arrears, i.e. the payment collected on Wednesday pays for the previous 6 days. Wednesday is the official payment day - although sometimes Post Offices will pay it a day earlier to try to manage their increasing queues.

The payment you received up to 24/12 would normally have been due for collection on Wed 24/12 but was brought forward to 20/12 because of Christmas.

The payment you received on 29/12 was due for collection on Wed 31/12.

Your next payment is due for collection on Wed 7/1, which will pay for the period 1/1 - 7/1.

Oops sorry. JA is paid wednesday

Thanks all for the replys, Gipimann that seems to make perfect sense now thanks very much.