The SSR has restriction code YN. This has the following restrictions for your journey:
Outward valid on services timed to depart Reading between 10:30 and 15:30 and from 19:01
Return valid after 07:25 (also valid between 01:00 and 04:00)
As for overnight break of journey
Overnight Break of Journey (see Break of Journey notes at start of this section) - restarting journey from an intermediate station: On day 2, restrictions as above apply and journey must recommence before 12:00.
#2 - Break of Journey
Break of journey is allowed on the outward portion of Super Off-Peak tickets unless otherwise indicated by a restriction shown against the ticket^s validity code, and in all cases on the return portion of Super Off-Peak return tickets.
Super Off-Peak Singles and the outward portion of Super Off-Peak Returns are valid for travel on the date shown on the ticket and until 04:29 the following morning. If the journey cannot be completed in this time, the ticket may be used to continue the journey on the following day. Unless otherwise indicated in the relevant restriction code, the same time restrictions from the origin station apply on BOTH days. All travel must be completed by 04:29 in the morning after this second day. Please note that break of journey is not permitted on some journeys, as detailed in the ticket restrictions.
Return portions of Super Off-Peak Return tickets are valid for travel until 04:29 on the day following the last day of validity (i.e. one calendar month from outward journey). All travel must be completed by this time.
Note: Cross London transfers on Super Off-Peak Singles will only be accepted by London Underground on the date shown on the ticket and until 0429 the following day.