fix: timezone issue

helpers/get_day_of_week.c

@@ -1,12 +0,0 @@
-#include <time.h>
-
-#include <helpers.h>
-
-int
-helper_get_weekday(const time_t timestamp_now)
-{
-    struct tm *now = localtime(&timestamp_now);
-    int wday_sun_sat = now->tm_wday;
-    int wday_mon_sun = (wday_sun_sat + 6) % 7;
-    return wday_mon_sun;
-}

helpers/get_weekday.c

@@ -0,0 +1,11 @@
+#include <time.h>
+
+#include <helpers.h>
+
+int
+helper_get_weekday(const struct tm *time_struct)
+{
+    int wday_sun_sat = time_struct->tm_wday;
+    int wday_mon_sun = (wday_sun_sat + 6) % 7;
+    return wday_mon_sun;
+}