Maybe you also have S A D...It can be co morbid with DP (It certainly is in my case) Winter months in the British Isles are crap for me...Thats when I experience my worse moods, anxiety and hence DP...
On bright summer days my DP practically vanishes...
https://www.mayoclinic.org/diseases-conditions/seasonal-affective-disorder/symptoms-causes/syc-20364651
On bright summer days my DP practically vanishes...
https://www.mayoclinic.org/diseases-conditions/seasonal-affective-disorder/symptoms-causes/syc-20364651