Refactor datetime and timezone utils

shared/dt_utils/constants.py

@@ -0,0 +1,33 @@
+"""
+DateTime and Timezone Constants
+
+Configuration constants for datetime and timezone operations across the bakery system.
+"""
+
+DEFAULT_TIMEZONE = "Europe/Madrid"
+
+SUPPORTED_TIMEZONES = {
+    "Europe/Madrid",
+    "Europe/London",
+    "Europe/Paris",
+    "Europe/Berlin",
+    "America/New_York",
+    "America/Chicago",
+    "America/Los_Angeles",
+    "Asia/Tokyo",
+    "Asia/Shanghai",
+    "Australia/Sydney",
+    "UTC"
+}
+
+BUSINESS_HOURS_DEFAULT = {
+    "start_hour": 8,
+    "end_hour": 20,
+    "include_weekends": False
+}
+
+ISO_FORMAT = "%Y-%m-%dT%H:%M:%S"
+ISO_FORMAT_WITH_TZ = "%Y-%m-%dT%H:%M:%S%z"
+DATE_FORMAT = "%Y-%m-%d"
+TIME_FORMAT = "%H:%M:%S"
+DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"