When signing up for list notifications, you can expect to receive them on the following schedule:

• Instant notification emails are gathered and sent out at 15-minute intervals
  NOTE: This does not imply exact times like 9:00, 9:15, 9:30 etc. It is dependent on when the first notification of the day is sent).
• Daily notifications are sent at 5:00 AM Eastern Time.
• Weekly and biweekly notifications are sent on Monday of every week starting at 5:00 AM Eastern Time; it may take an hour or more to send out all notifications.
• Monthly notifications are sent on the first Monday starting around 5:00 AM Eastern Time; it may take an hour or more to send out all notifications.