You have the ability within your fundraiser settings to adjust the public-facing start date & time of your fundraiser, as well as the public-facing end date & time.
Additionally, you may adjust the 'cut-off' end date for accepting funds, and start date for accepting funds.
Go to your fundraising page on your CrowdChange site and Log In.
Click on Edit in the upper right hand corner.
On the General Info page, scroll down to Date and time, and enter the new date & time.
Optional - click Fundraiser has an end date and time and set an end date & time.
Scroll to the bottom and click Next.
On the Additional Settings page, scroll down to Advanced features and enable Stop accepting funds on date to enter the new date & time you want to stop accepting funds.
Optional - click Start accepting funds on date and set a date & time to start accepting funds.
Scroll to the bottom and click Save Changes.