If this were a universal problem for singles, they would adapt to socialize during non-standard hours. Since it isn't, I suspect there's opportunity for you to

If this were a universal problem for singles, they would adapt to socialize during non-standard hours. Since it isn't, I suspect there's opportunity for you to change jobs or roles to trade off for the comparative advantages you have in your current role (maybe you have lots of opportunity to learn or have a pay premium). I suspect that your situation is temporary, and once you have accomplished the short-term objectives you have in mind, you'll take advantage of a better opportunity.