Duration

The duration of each offer. (In seconds) Min: 10 mins, max: 2 months

Examples:

Times	Seconds
10 mins (not recommended)	600 seconds
~10 mins (recommended)	610 seconds
30 mins	1800 seconds
1 hour	3600 seconds
6 hours	21600 seconds
1 day	86400 seconds
1 week	604800 seconds

You can use an online calculator like omnicalculator to calculate these.