diff --git a/tests/test_e2e.py b/tests/test_e2e.py
index fe01135..184784e 100644
--- a/tests/test_e2e.py
+++ b/tests/test_e2e.py
@@ -79,7 +79,7 @@ def test_default(now, test_input, expected):
 @pytest.mark.parametrize("test_input, expected", [
     # time only
     ('5p', datetime.time(hour=17, minute=0)),
-    # ("3 o'clock", datetime.time(hour=3, minute=0)),
+    ("3 o'clock pm", datetime.time(hour=15, minute=0)), # fixes gh#12
     
     # date only
     ('July 2019', datetime.date(2019, 7, 1)),
@@ -112,7 +112,6 @@ def test_default(now, test_input, expected):
     ('30-40 mins', (datetime.timedelta(minutes=30), datetime.timedelta(minutes=40))),
     ('1 or 2 days', [datetime.timedelta(days=1), datetime.timedelta(days=2)]),
 
-    # TODO: support "3 o'clock"
     # TODO: support "quarter to 3"
     # TODO: support "one and a half hours"
     
@@ -131,7 +130,7 @@ def test_no_inference(now, test_input, expected):
     
     (tfhConfig(infer_datetimes=True), '5p', datetime.datetime(2018, 8, 4, 17, 0)),
     (tfhConfig(infer_datetimes=False), '5p', datetime.time(hour=17, minute=0)),
-    # (tfhConfig(infer_datetimes=True), '1p', datetime.datetime(2018, 8, 5, 13, 0)), # TODO tomorrow, since passed today (gh#12)
+    (tfhConfig(infer_datetimes=True), '1p', datetime.datetime(2018, 8, 5, 13, 0)), # TODO tomorrow, since passed today (gh#12)
 
     # TODO: add tests for 'next/last'
 ])
diff --git a/timefhuman/grammar.lark b/timefhuman/grammar.lark
index 18dac45..f86b579 100644
--- a/timefhuman/grammar.lark
+++ b/timefhuman/grammar.lark
@@ -77,7 +77,7 @@ date: month "/" day "/" year
 // However, that means to support single-integer (e.g., hour) times, we need
 // to manually add them to the `datetime` rule above.
 time: hour ":" minute meridiem?
-    | hour meridiem
+    | hour ("o'clock")? meridiem
     | timename
 
 duration: ("in"|"for")? duration_part (("and"|",")? duration_part)* ("ago")?
diff --git a/timefhuman/main.py b/timefhuman/main.py
index 02941ae..2caf448 100644
--- a/timefhuman/main.py
+++ b/timefhuman/main.py
@@ -276,7 +276,12 @@ def to_object(self, config: tfhConfig = tfhConfig()) -> Union[datetime, date, ti
             return self.date.to_object(config)
         elif self.time:
             if config.infer_datetimes:
-                return datetime.combine(config.now.date(), self.time.to_object(config))
+                candidate = datetime.combine(config.now.date(), self.time.to_object(config))
+                if candidate < config.now and config.direction == Direction.next:
+                    candidate += timedelta(days=1)
+                elif candidate > config.now and config.direction == Direction.previous:
+                    candidate -= timedelta(days=1)
+                return candidate
             return self.time.to_object(config)
         raise ValueError("Datetime is missing both date and time")