diff --git a/lib/nexrad/storm.py b/lib/nexrad/storm.py
index 70d99b6..e9128b9 100644
--- a/lib/nexrad/storm.py
+++ b/lib/nexrad/storm.py
@@ -1,3 +1,4 @@
+import re
 import gzip
 import csv
 import datetime
@@ -19,16 +20,58 @@ def time_from_str(time: str):
         int(time[size-2:])  % 60
     )
 
-def timestamp_from_parts(yearmonth: str, day: str, time: str) -> datetime.datetime:
+def timestamp_from_parts(tz: datetime.tzinfo, yearmonth: str, day: str, time: str) -> datetime.datetime:
     hour, minute = time_from_str(time)
 
     return datetime.datetime(
+        tzinfo = tz,
         year   = int(yearmonth[0:4]),
         month  = int(yearmonth[4:6]),
         day    = int(day),
         hour   = hour,
         minute = minute
-    )
+    ).astimezone(datetime.UTC)
+
+TIMEZONES = {
+    '-12': datetime.timezone(datetime.timedelta(hours=-12)),
+    '-11': datetime.timezone(datetime.timedelta(hours=-11)),
+    '-10': datetime.timezone(datetime.timedelta(hours=-10)),
+    '-9':  datetime.timezone(datetime.timedelta(hours=-9)),
+    '-8':  datetime.timezone(datetime.timedelta(hours=-8)),
+    '-7':  datetime.timezone(datetime.timedelta(hours=-7)),
+    '-6':  datetime.timezone(datetime.timedelta(hours=-6)),
+    '-5':  datetime.timezone(datetime.timedelta(hours=-5)),
+    '-4':  datetime.timezone(datetime.timedelta(hours=-4)),
+    '-3':  datetime.timezone(datetime.timedelta(hours=-3)),
+    '-2':  datetime.timezone(datetime.timedelta(hours=-2)),
+    '-1':  datetime.timezone(datetime.timedelta(hours=-1)),
+    '-0':  datetime.UTC,
+    '+0':  datetime.UTC,
+    '+1':  datetime.timezone(datetime.timedelta(hours=1)),
+    '+2':  datetime.timezone(datetime.timedelta(hours=2)),
+    '+3':  datetime.timezone(datetime.timedelta(hours=3)),
+    '+4':  datetime.timezone(datetime.timedelta(hours=4)),
+    '+5':  datetime.timezone(datetime.timedelta(hours=5)),
+    '+6':  datetime.timezone(datetime.timedelta(hours=6)),
+    '+7':  datetime.timezone(datetime.timedelta(hours=7)),
+    '+8':  datetime.timezone(datetime.timedelta(hours=8)),
+    '+9':  datetime.timezone(datetime.timedelta(hours=9)),
+    '+10': datetime.timezone(datetime.timedelta(hours=10)),
+    '+11': datetime.timezone(datetime.timedelta(hours=11)),
+    '+12': datetime.timezone(datetime.timedelta(hours=12)),
+}
+
+TIMEZONE_RE = re.compile(r'^(?:[A-Z]+)([+\-]\d)$')
+
+def timezone_from_str(text: str) -> datetime.timezone:
+    match = TIMEZONE_RE.match(text)
+
+    if match is None:
+        return datetime.UTC
+
+    tz = TIMEZONES.get(match[1])
+
+    return datetime.UTC if tz is None else tz
 
 def coord_from_str(text_lat: str, text_lon: str):
     lat = 0.0 if text_lat == '' else float(text_lat)
@@ -60,8 +103,10 @@ class StormReport():
     def from_csv_row(row: dict):
         report = StormReport()
 
-        report.timestamp_start  = timestamp_from_parts(row['BEGIN_YEARMONTH'], row['BEGIN_DAY'], row['BEGIN_TIME'])
-        report.timestamp_end    = timestamp_from_parts(row['END_YEARMONTH'],   row['END_DAY'],   row['END_TIME'])
+        tz = timezone_from_str(row['CZ_TIMEZONE'])
+
+        report.timestamp_start  = timestamp_from_parts(tz, row['BEGIN_YEARMONTH'], row['BEGIN_DAY'], row['BEGIN_TIME'])
+        report.timestamp_end    = timestamp_from_parts(tz, row['END_YEARMONTH'],   row['END_DAY'],   row['END_TIME'])
         report.episode_id       = int(row['EPISODE_ID'])
         report.event_id         = int(row['EVENT_ID'])
         report.state            = row['STATE']