This page giving you the best collection of popular stuff which i think is useful for you all.
Download Monthly Calendar 2017 for September with many style: September 2017 with Week Numbers, September 2017 Editable Calendar
Find exactly the date of any days count from any date.
EX: 30 DAYS FROM TODAY, 90 DAYS FROM TODAY or 180 DAYS FROM TODAY
Couting working day from any date or find total working days between two dates.
EX: How many working days in 2018, how many working days in July 2018.