im a programmer, and i often use php function time()

this information its helpful i knowing these questions:

how many seconds are there in 1 minute
how many seconds are in 1 hour
how many seconds are in 1 day
how many seconds are in 1 week
how many seconds are in 1 month
how many seconds are in 1 year


The Mathematical Way


1 minute
======
60 seconds

1 hour
======
60 minutes
3600 seconds (60 seconds x 60 minutes = 3600 seconds in one hour)

1 day
======
24 hours
1440 minutes
86400 seconds

1 week
======
7 days
168 hours
10080 minutes
86400 seconds

1 month
======
30 days
720 hours
43200 minutes
86400 seconds
2592000

1 year
======
12 months
360 days
8640 hours
518400 minutes
31104000 seconds


Transitional Way


In One Year:
12 Months
52 Weeks
365 Days
8765 Hours
525948 Minutes
31556926 Seconds

hope this helps you