Days of week on Hebrew calendar the "four gates". Since three arrangements cannot occur within the fixed calendar, most holidays can each occur on one of four possible days. All the holy days and festivals fall in the months of Nisan through Tishrei, months one to seven. These months always have the same number of days, alternating 30 and 29. The next two months are Cheshvan and Kislev, months eight and nine. Both or either of these months can have either 29 or 30 days, allowing for adjustments to be made and the schedule in the coming year to be manipulated. (On a regular year, Cheshvan
30 Days of Night (film) in revenue, from 1,429,600 sold DVD units. This does not include Blu-ray sales. The DVD is a single disc and includes eight featurettes, one of which is a full episode of the anime "Blood+". The UK Region 2 release is a two disc special edition, released in April 2008. Despite being exactly the same as the theatrical release, the BBFC reclassified the film from a 15 to an 18. Even though it still only has the eight featurettes on the second disc, it includes a bonus "30 Days of Night" graphic novel. A straight-to-DVD sequel entitled "" was released on