Talk:Emerald Dragon/@comment-98.229.245.43-20120527183912/@comment-99.95.172.32-20120527184446

no one month has 30/31/28 days, depending on the month. a week has 7 days. so 4 weeks is 28 days which is shorter than some months. meaning you can get more when it's one per week rather than four per month.