Unix Timestamp 1509449115
seconds · 8 years ago
⚡ Quick Answer
1509449115 = Oct 31, 2017, 11:25:15 AM UTC
ISO 8601: 2017-10-31T11:25:15.000Z
Output Formats
ISO 8601
2017-10-31T11:25:15.000Z
RFC 2822
Tue, 31 Oct 2017 11:25:15 GMT
Human Readable
Tuesday, October 31, 2017 at 11:25:15 AM UTC
Unix Seconds
1509449115
Unix Milliseconds
1509449115000
Day of Week
Tuesday
Timezone Breakdown
UTC
Oct 31, 2017, 11:25:15 AM UTC
US Eastern
Oct 31, 2017, 07:25:15 AM EDT
US Pacific
Oct 31, 2017, 04:25:15 AM PDT
UK London
Oct 31, 2017, 11:25:15 AM GMT
Japan Tokyo
Oct 31, 2017, 08:25:15 PM GMT+9
Australia Sydney
Oct 31, 2017, 10:25:15 PM GMT+11
Related Timestamps
Frequently Asked Questions
What date is Unix timestamp 1509449115?
Unix timestamp 1509449115 represents Tuesday, October 31, 2017 at 11:25:15 AM UTC. This is 8 years ago from the current time.
Is 1509449115 in seconds or milliseconds?
1509449115 has 10 digits, which means it is in seconds. Multiply by 1,000 to get milliseconds: 1509449115000.
How do I convert 1509449115 in JavaScript?
// Normalized to Unix seconds: 1509449115 const tsSec = 1509449115; new Date(tsSec * 1000).toISOString(); // "2017-10-31T11:25:15.000Z"
How do I convert 1509449115 in Python?
import datetime
ts = 1509449115
dt = datetime.datetime.fromtimestamp(
ts, tz=datetime.timezone.utc)
print(dt.isoformat())
# "2017-10-31T11:25:15.000Z"What is the Unix timestamp for right now?
Use our live timestamp converter to get the current Unix timestamp. In JavaScript: Math.floor(Date.now() / 1000). In Python: int(time.time()). In bash: date +%s.
Need to convert a different timestamp?
Our full converter supports seconds, milliseconds, microseconds, 25+ timezones, and auto-detection.
Open Full Converter →Related Guides & Tutorials
// developers also readComplete Guide to Unix Timestamp Precision in 2026
The definitive guide to Unix timestamp precision, formats, and edge cases in production.
Unix Timestamps in JavaScript
Date.now(), the Temporal API, and timezone-aware timestamp handling in JavaScript.
Session Management with Timestamp Expiration
JWT expiration, session timeouts, and token refresh using Unix timestamps.