Unix Timestamp 987728400
seconds · 25 years ago
⚡ Quick Answer
987728400 = Apr 20, 2001, 01:00:00 AM UTC
ISO 8601: 2001-04-20T01:00:00.000Z
Output Formats
ISO 8601
2001-04-20T01:00:00.000Z
RFC 2822
Fri, 20 Apr 2001 01:00:00 GMT
Human Readable
Friday, April 20, 2001 at 01:00:00 AM UTC
Unix Seconds
987728400
Unix Milliseconds
987728400000
Day of Week
Friday
Timezone Breakdown
UTC
Apr 20, 2001, 01:00:00 AM UTC
US Eastern
Apr 19, 2001, 09:00:00 PM EDT
US Pacific
Apr 19, 2001, 06:00:00 PM PDT
UK London
Apr 20, 2001, 02:00:00 AM GMT+1
Japan Tokyo
Apr 20, 2001, 10:00:00 AM GMT+9
Australia Sydney
Apr 20, 2001, 11:00:00 AM GMT+10
Related Timestamps
Frequently Asked Questions
What date is Unix timestamp 987728400?
Unix timestamp 987728400 represents Friday, April 20, 2001 at 01:00:00 AM UTC. This is 25 years ago from the current time.
Is 987728400 in seconds or milliseconds?
987728400 has 9 digits, which means it is in seconds. Multiply by 1,000 to get milliseconds: 987728400000.
How do I convert 987728400 in JavaScript?
// Normalized to Unix seconds: 987728400 const tsSec = 987728400; new Date(tsSec * 1000).toISOString(); // "2001-04-20T01:00:00.000Z"
How do I convert 987728400 in Python?
import datetime
ts = 987728400
dt = datetime.datetime.fromtimestamp(
ts, tz=datetime.timezone.utc)
print(dt.isoformat())
# "2001-04-20T01:00:00.000Z"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.
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.