Unix Timestamp 998358400
seconds · 24 years ago
⚡ Quick Answer
998358400 = Aug 21, 2001, 01:46:40 AM UTC
ISO 8601: 2001-08-21T01:46:40.000Z
Output Formats
ISO 8601
2001-08-21T01:46:40.000Z
RFC 2822
Tue, 21 Aug 2001 01:46:40 GMT
Human Readable
Tuesday, August 21, 2001 at 01:46:40 AM UTC
Unix Seconds
998358400
Unix Milliseconds
998358400000
Day of Week
Tuesday
Timezone Breakdown
UTC
Aug 21, 2001, 01:46:40 AM UTC
US Eastern
Aug 20, 2001, 09:46:40 PM EDT
US Pacific
Aug 20, 2001, 06:46:40 PM PDT
UK London
Aug 21, 2001, 02:46:40 AM GMT+1
Japan Tokyo
Aug 21, 2001, 10:46:40 AM GMT+9
Australia Sydney
Aug 21, 2001, 11:46:40 AM GMT+10
Related Timestamps
Frequently Asked Questions
What date is Unix timestamp 998358400?
Unix timestamp 998358400 represents Tuesday, August 21, 2001 at 01:46:40 AM UTC. This is 24 years ago from the current time.
Is 998358400 in seconds or milliseconds?
998358400 has 9 digits, which means it is in seconds. Multiply by 1,000 to get milliseconds: 998358400000.
How do I convert 998358400 in JavaScript?
// Normalized to Unix seconds: 998358400 const tsSec = 998358400; new Date(tsSec * 1000).toISOString(); // "2001-08-21T01:46:40.000Z"
How do I convert 998358400 in Python?
import datetime
ts = 998358400
dt = datetime.datetime.fromtimestamp(
ts, tz=datetime.timezone.utc)
print(dt.isoformat())
# "2001-08-21T01:46:40.000Z"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.