[profiles] Clean up timezone stuff

vrobbler/apps/profiles/admin.py

@@ -7,6 +7,7 @@ from profiles.models import UserProfile
 class UserProfileAdmin(admin.ModelAdmin):
     date_hierarchy = "created"
     ordering = ("-created",)
+    readonly_fields = ("timezone_change_log",)
     exclude = (
         "twitch_token",
         "twitch_client_secret",

vrobbler/apps/profiles/utils.py

@@ -62,20 +62,20 @@ def start_of_year(dt, profile) -> datetime:
 def one_off_fix_colins_profile(profile):
     home_tz = "America/New_York"
 
-    europe = "2022-10-15"
+    europe = "2022-10-15 06:00:00"
+    europe_end = "2023-12-16 12:00:00"
     europe_tz = "Europe/Paris"
-    europe_end = "2023-12-15"
 
-    washington = "2023-04-28"
+    washington = "2023-04-28 06:00:00"
+    washington_end = "2023-05-04 12:00:00"
     washington_tz = "America/Los_Angeles"
-    washington_end = "2023-05-04"
 
-    camp = "2024-08-04"
-    camp_end = "2024-08-10"
+    camp = "2024-08-04 17:00:00"
+    camp_end = "2024-08-10 12:00:00"
     camp_tz = "America/Halifax"
 
-    summer = "2025-07-09 12:00:00"
-    summer_end = "2025-07-13 20:30:00"
+    summer = "2025-07-09 06:00:00"
+    summer_end = "2025-07-11 23:30:00"
     summer_tz = "America/Los_Angeles"
 
     profile.timezone_change_log = ""