1 day = 24 hr
1 week = 7 days
1 year = 365 days

1 min = 60 sec
1 hr = 60 mins
60 mins = 3600 sec

1 day = 24 hr =1440 mins = 86400 sec
1 week = 168 hr = 10080 mins = 604800 sec
1 year =8760 hr = 525600 mins = 31536000 sec