Unix Timestamp 501440400
seconds · 40 years ago
⚡ Quick Answer
501440400 = Nov 21, 1985, 05:00:00 PM UTC
ISO 8601: 1985-11-21T17:00:00.000Z
Output Formats
ISO 8601
1985-11-21T17:00:00.000Z
RFC 2822
Thu, 21 Nov 1985 17:00:00 GMT
Human Readable
Thursday, November 21, 1985 at 05:00:00 PM UTC
Unix Seconds
501440400
Unix Milliseconds
501440400000
Day of Week
Thursday
Timezone Breakdown
UTC
Nov 21, 1985, 05:00:00 PM UTC
US Eastern
Nov 21, 1985, 12:00:00 PM EST
US Pacific
Nov 21, 1985, 09:00:00 AM PST
UK London
Nov 21, 1985, 05:00:00 PM GMT
Japan Tokyo
Nov 22, 1985, 02:00:00 AM GMT+9
Australia Sydney
Nov 22, 1985, 04:00:00 AM GMT+11
Related Timestamps
Frequently Asked Questions
What date is Unix timestamp 501440400?
Unix timestamp 501440400 represents Thursday, November 21, 1985 at 05:00:00 PM UTC. This is 40 years ago from the current time.
Is 501440400 in seconds or milliseconds?
501440400 has 9 digits, which means it is in seconds. Multiply by 1,000 to get milliseconds: 501440400000.
How do I convert 501440400 in JavaScript?
// Normalized to Unix seconds: 501440400 const tsSec = 501440400; new Date(tsSec * 1000).toISOString(); // "1985-11-21T17:00:00.000Z"
How do I convert 501440400 in Python?
import datetime
ts = 501440400
dt = datetime.datetime.fromtimestamp(
ts, tz=datetime.timezone.utc)
print(dt.isoformat())
# "1985-11-21T17:00:00.000Z"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.
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