Yes, you can easily specify when your form will appear via the Display Rules within the Visibility section of your form editor.
1 Find the form you want to schedule and press Edit
2 Click on step 4. Visibility
3 Ensure 'Manual' mode is select on the left. The click Add Rule under Display Rules
4 Click on Show Rule > Visitors > Date
5 Add the date rules based on the time & date you'd like the form to appear.
Pro tip: You can create multiple date rules to ensure your form only appears on a specific time period, such as a single day or weekend. Add two Do Not Show rules for Before and After the date you want.
Example, if you want your form to appear on January 10th, here are the rules you'd create:
Do Not Show Before January 10th
Do Not Show After January 11th