Skip to content

IB uses own timezone names for NY/Chicago instruments #131

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: next
Choose a base branch
from
Open

IB uses own timezone names for NY/Chicago instruments #131

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
214e434
IB uses timezone names for NY/Chicago instruments which couldn't be r…
Mar 19, 2025
3035c8f
Merge branch 'ib-api-reloaded:main' into ib-timezone-ny-chicago
maxicus Aug 25, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 10 additions & 0 deletions ib_async/util.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -575,6 +575,12 @@ def formatIBDatetime(t: Union[dt.date, dt.datetime, str, None]) -> str:
return s


pythonTimeZonesByIb = {
"US/Central": "America/Chicago",
"US/Eastern": "America/New_York",
}


def parseIBDatetime(s: str) -> Union[dt.date, dt.datetime]:
"""Parse string in IB date or datetime format to datetime."""
if len(s) == 8:
Expand All @@ -589,6 +595,10 @@ def parseIBDatetime(s: str) -> Union[dt.date, dt.datetime]:
# 20221125 10:00:00 Europe/Amsterdam
s0, s1, s2 = s.split(" ", 2)
t = dt.datetime.strptime(s0 + s1, "%Y%m%d%H:%M:%S")
# Some zone names IB uses are unknown in python, map them
if s2 in pythonTimeZonesByIb:
s2 = pythonTimeZonesByIb[s2]

t = t.replace(tzinfo=ZoneInfo(s2))
else:
# YYYYmmdd HH:MM:SS
Expand Down