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-rw-r--r--django/utils/tzinfo.py14
1 files changed, 11 insertions, 3 deletions
diff --git a/django/utils/tzinfo.py b/django/utils/tzinfo.py
index d8bdee390a..9352acd52a 100644
--- a/django/utils/tzinfo.py
+++ b/django/utils/tzinfo.py
@@ -60,9 +60,17 @@ class LocalTimezone(tzinfo):
tt = (dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, dt.weekday(), 0, -1)
try:
stamp = time.mktime(tt)
- except OverflowError:
- # 32 bit systems can't handle dates after Jan 2038, so we fake it
- # in that case (since we only care about the DST flag here).
+ except (OverflowError, ValueError):
+ # 32 bit systems can't handle dates after Jan 2038, and certain
+ # systems can't handle dates before ~1901-12-01:
+ #
+ # >>> time.mktime((1900, 1, 13, 0, 0, 0, 0, 0, 0))
+ # OverflowError: mktime argument out of range
+ # >>> time.mktime((1850, 1, 13, 0, 0, 0, 0, 0, 0))
+ # ValueError: year out of range
+ #
+ # In this case, we fake the date, because we only care about the
+ # DST flag.
tt = (2037,) + tt[1:]
stamp = time.mktime(tt)
tt = time.localtime(stamp)