This is because they don't take place at a specific date and time.   (They are flexibly scheduled for each individual)

The Opportunity Detail Page provides specific information about when volunteers are needed.

1.  The dates when volunteers are needed are displayed.   If start date is in the past, then the text will read "Volunteers needed through...."  (see 2nd screenshot)

2.  The schedule you created is displayed so volunteers know what days and times you need volunteers each week.

3.  Messaging makes it clear that volunteers will be proposing their availability and the Opportunity leader will review and confirm the dates they wish you to attend.

A volunteer clicks on "Express Interest" to proceed.

You are asked "--How do you want to Express Interest?--"   and have two options:

Allows you to create one date and time you wish to volunteer.   The time you choose must be within the schedule that has been listed for this opportunity.  If you propose a time outside the schedule you'll get a clear message explaining that its not a valid time.

Choose a date and time within the 'available time periods" and click express interest and you'll reach the opportunity sign up Success Page.

When a volunteer selects "For a regular, recurring schedule of dates" they have an interface where they can select a day of the week, a start and ending date, and a start and End time.   They then click 'Add Date & Time" to indicate availability of that day of the week, at that time, for that period of dates.

The Day of the Week selector is 'smart' and only shows days that are part of the schedule for this opportunity.   The default dates and time period are pre-populated but can be edited by the volunteer so that they can self-schedule for any period of time within the time period you need volunteers.

Here the volunteer has chosen Monday, from 10:00 a.m. - 12:00 p.m. as the recurring day they wish to schedule.   Once they click "Add Day & Time" it will be added to the schedule section below.

In this case, the volunteer also wishes to volunteer on Wednesdays! And on Wednesdays they'd like to volunteer from Noon - 2 pm.

Again they click, 'add date & time"

If they wish to change a schedule, they can click 'remove'.

This allows a volunteer to see all the days and times they are proposing before they submit the schedule duration.

The start date and end date are automatically populated from today until the end date of the opportunity - but in our case we only want to volunteer on Mondays and Wednesdays through the month of May, so we  update the Start Date and End Date to reflect the duration of time we wish to volunteer for the schedule we're submitting.

After setting the Start Date and End Date - click the Express Interest button to submit your proposed scheduled to the Opportunity Leader.  The opportunity leader will then review the submitted connections and confirm , decline, or reschedule them.

The volunteer will receive only one email notification that the connections they created have been submitted for approval.  (They will not get one for every connection they create during one submission).   The email template with the messaging to the volunteer can be found in setup / administration setup / communication templates / email templates.   This template is called:  "Opportunity Signup Acknowledgement for Individually Scheduled"

The opportunity coordinator will get only one email saying that the volunteer has expressed interest in one or more dates and is awaiting confirmation.  The opportunity coordinator can then log in and review the connections that have been created and simply confirm or decline them without having to contact the volunteer as to when they wish to volunteer.  The email template for this notification can be found in setup / administration setup / communication templates / email templates.  This template is called: "Volunteer Interest Notification for Individually Scheduled"

See this next article on how to review and confirm volunteers for their individually scheduled connections.

These opportunities do not have a schedule - so volunteers are just able to express interest.  When they express interest, the Opportunity Coordinator is notified.  The volunteer receives an email letting them know they will be contacted if anything further is required of them.