Monc refer to this page and experiment with adding "E," to your code
https://www.qualtrics.com/support/vocalize/dashboard-settings-cx/dashboard-data/advanced-fields/custom-date-formats/#DateFormatSyntax

Thank you so much for your reply, @bstrahin. Actually I've already read before the link you provided. Do you mean: ${date://CurrentDate/Y%2Fm%2Fd%2FE}? It doesn't work on my survey page.
I'd like to close the survey on Fridays and Saturdays. After searching the community, I found the following scripts to be put on the header under Look & Feel:

I'm not good at scripts. Is it possible to add some more scripts to close the window or direct to another URL after the respondent has clicked on the message, please?