131 months
21
324 hours = 131/2 days.
The 8th of October is 131 days after it. If the 30th of May is in a leap year, the 20th of January is 131 days before it, otherwise the 19th of January is 131 days before it.
131 days.
5 days and 11 hours -nicci
5 days and 11 hours
5.6 months.
The time required is 24.06 days. The half life of iodine 131 is 8.02 days.
121 days = about 4 months.
3 months?
There are 280 days in 9 months.