Use twint data export for periodic twitter data

my/core/time.py

@@ -0,0 +1,16 @@
+from functools import lru_cache
+from datetime import datetime
+
+import pytz # type: ignore
+
+# https://gist.github.com/edwardabraham/8680198
+tz_lookup = {
+    pytz.timezone(x).localize(datetime.now()).tzname(): pytz.timezone(x)
+    for x in pytz.all_timezones
+}
+tz_lookup['UTC'] = pytz.utc # ugh. otherwise it'z Zulu...
+
+
+@lru_cache(-1)
+def abbr_to_timezone(abbr: str):
+    return tz_lookup[abbr]