diff --git a/third_party/2.7/dateutil/__init__.pyi b/third_party/2.7/dateutil/__init__.pyi
new file mode 100644
index 000000000..e69de29bb
diff --git a/third_party/2.7/dateutil/parser.pyi b/third_party/2.7/dateutil/parser.pyi
new file mode 100644
index 000000000..ba1cb5ce6
--- /dev/null
+++ b/third_party/2.7/dateutil/parser.pyi
@@ -0,0 +1,39 @@
+from typing import List, Tuple, Optional, Callable, Union, IO, Any, Dict
+from datetime import datetime, tzinfo
+
+__all__ = ...  # type: List[str]
+
+
+class parserinfo(object):
+    JUMP = ... # type: List[str]
+    WEEKDAYS = ... # type: List[Tuple[str, str]]
+    MONTHS = ... # type: List[Tuple[str, str]]
+    HMS = ... # type: List[Tuple[str, str, str]]
+    AMPM = ... # type: List[Tuple[str, str]]
+    UTCZONE = ... # type: List[str]
+    PERTAIN = ... # type: List[str]
+    TZOFFSET = ... # type: Dict[str, int]
+
+    def __init__(self, dayfirst: bool=..., yearfirst: bool=...) -> None: ...
+    def jump(self, name: unicode) -> bool: ...
+    def weekday(self, name: unicode) -> Union[int, None]: ...
+    def month(self, name: unicode) -> Union[int, None]: ...
+    def hms(self, name: unicode) -> Union[int, None]: ...
+    def ampm(self, name: unicode) -> Union[int, None]: ...
+    def pertain(self, name: unicode) -> bool: ...
+    def utczone(self, name: unicode) -> bool: ...
+    def tzoffset(self, name: unicode) -> Union[int, None]: ...
+    def convertyear(self, year: int) -> int: ...
+    def validate(self, res: datetime) -> bool: ...
+
+class parser(object):
+    def __init__(self, info: Optional['parserinfo']) -> None: ...
+    def parse(self, timestr: Union[str, unicode, IO[unicode]],
+              default: Optional[datetime],
+              ignoretz: bool, tzinfos: Dict[Union[str, unicode], tzinfo],
+              **kwargs: Dict[str, Any]) -> datetime: ...
+
+DEFAULTPARSER = ... # type: 'parser'
+def parse(timestr: Union[str, unicode, IO[unicode]],
+          parserinfo: Optional['parserinfo'],
+          **kwargs: Dict[str, Any]) -> datetime: ...