Have you ever tried sending a date from Python to JavaScript or vice versa, only to realize the formats don’t match? You’re not alone! Handling JSON datetime between Python and JavaScript can be tricky because each language handles date and time differently. <\/p>\n\n\n\n
In this blog, we\u2019ll break it down step by step, helping you understand how to convert Python datetime to JSON, parse JSON date format in JavaScript, and bridge the gap between these two powerful languages.<\/p>\n\n\n\n
In Python, working with dates and times is done using the datetime module. However, when serializing datetime objects to JSON, we need to convert them into a format that JSON understands, such as ISO 8601 format.<\/p>\n\n\n\n
Python’s json module doesn\u2019t support datetime objects directly. If you try to serialize a datetime object, you\u2019ll get an error:<\/p>\n\n\n\n
import json<\/em><\/p>\n\n\n\n from datetime import datetime<\/em><\/p>\n\n\n\n data = {“timestamp”: datetime.now()}<\/em><\/p>\n\n\n\n json.dumps(data) # Raises TypeError<\/em><\/p>\n\n\n\n To fix this, we need to convert the datetime object to a string in ISO format:<\/p>\n\n\n\n data = {“timestamp”: datetime.now().isoformat()}<\/em><\/p>\n\n\n\n json_data = json.dumps(data)<\/em><\/p>\n\n\n\n print(json_data)<\/em><\/p>\n\n\n\n This outputs something like:<\/p>\n\n\n\n {“timestamp”: “2025-03-01T12:34:56.789123”}<\/em><\/p>\n<\/div><\/div>\n\n\n\n This format (ISO 8601) is widely accepted and works well with JavaScript.<\/p>\n\n\n\nJavaScript and JSON Datetime Parsing<\/strong><\/h3>\n\n\n\n