Maintenance

Site is under maintenance — quizzes are still available.

Go to quizzes
Sponsored Reserved space — layout preview until AdSense is connected
Reference library

Functions & basics

Reusable building blocks — parameters, returns, scope, and clear function design.

1 match
Sponsored Reserved space — layout preview until AdSense is connected
Functions & basics easy

Calculate Time Difference Across Time Zones in Python

Compute the current time difference in hours between two time zones given their UTC offsets using Python's datetime and timezone modules.

datetime timezone timedelta
Python 
from datetime import datetime, timezone, timedelta

def time_difference(from_tz_offset, to_tz_offset):
    """
    Calculate time difference in hours between two time zones given their offsets from UTC.
    Offsets are in hours (e.g., -5 for EST, +5.5 for IST).
    """
    tz1 = timezone(timedelta(hours=from_tz_offset…
3 0 Open

Browse by section

Each section groups closely related Python snippets.

Functions & basics — Python code examples

What you will find here

This page collects functions & basics snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

Related coding tools

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup. Python code samples Copy-ready snippets to study and run in the IDE.