Epoch Time Converter - Convert Unix Timestamps Instantly

Current Unix Timestamp
1793246807
Thursday, October 29, 2026 at 4:06:47 AM

EpochTimeConverter.co is the most comprehensive free epoch time converter available online. Trusted by millions of developers worldwide for accurate Unix timestamp conversion.

50+ Timezones 10+ Language Examples Free API No Registration
Enter seconds (10 digits) or milliseconds (13 digits)

Related Tools

What is Unix Timestamp?

Learn about Unix epoch time, its history, and usage
Code Examples

Timestamp code for 10+ programming languages
API Documentation

Free REST API for timestamp conversions
Live Timestamp Counter

Watch seconds tick by in real-time
Y2K38 Countdown

Countdown to the Unix Millennium Bug
Timestamp Formats

Unix vs Windows vs Mac vs NTP comparison
Batch Converter

Convert 100+ timestamps at once
Timestamp Calculator

Add/subtract time from timestamps

Code Examples

Get the current Unix timestamp in your favorite programming language

Get Current Timestamp 
// Get current Unix timestamp (seconds)
const timestamp = Math.floor(Date.now() / 1000);
console.log(timestamp); // 1793246807
Timestamp to Date 
// Convert timestamp to Date
const timestamp = 1793246807;
const date = new Date(timestamp * 1000);
console.log(date.toISOString());
// 2026-10-29T04:06:47+00:00
Get Current Timestamp 
# Get current Unix timestamp
import time

timestamp = int(time.time())
print(timestamp)  # 1793246807
Timestamp to Date 
# Convert timestamp to datetime
import datetime

timestamp = 1793246807
dt = datetime.datetime.fromtimestamp(timestamp)
print(dt.isoformat())  # 2026-10-29T04:06:47+00:00
Get Current Timestamp 
<?php
// Get current Unix timestamp
$timestamp = time();
echo $timestamp; // 1793246807
Timestamp to Date 
<?php
// Convert timestamp to date
$timestamp = 1793246807;
$date = date('c', $timestamp);
echo $date; // 2026-10-29T04:06:47+00:00
Get Current Timestamp 
// Get current Unix timestamp
import java.time.Instant;

long timestamp = Instant.now().getEpochSecond();
System.out.println(timestamp); // 1793246807
Timestamp to Date 
// Convert timestamp to date
import java.time.*;

long timestamp = 1793246807L;
Instant instant = Instant.ofEpochSecond(timestamp);
ZonedDateTime zdt = instant.atZone(ZoneId.of("UTC"));
System.out.println(zdt);
Get Current Timestamp 
// Get current Unix timestamp
long timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
Console.WriteLine(timestamp); // 1793246807
Timestamp to Date 
// Convert timestamp to DateTime
long timestamp = 1793246807;
DateTimeOffset dto = DateTimeOffset.FromUnixTimeSeconds(timestamp);
Console.WriteLine(dto.ToString("o"));
Get Current Timestamp 
// Get current Unix timestamp
package main

import (
    "fmt"
    "time"
)

func main() {
    timestamp := time.Now().Unix()
    fmt.Println(timestamp) // 1793246807
}
Timestamp to Date 
// Convert timestamp to time.Time
package main

import (
    "fmt"
    "time"
)

func main() {
    timestamp := int64(1793246807)
    t := time.Unix(timestamp, 0).UTC()
    fmt.Println(t.Format(time.RFC3339))
}
Get Current Timestamp 
// Get current Unix timestamp
use std::time::{SystemTime, UNIX_EPOCH};

fn main() {
    let timestamp = SystemTime::now()
        .duration_since(UNIX_EPOCH)
        .unwrap()
        .as_secs();
    println!("{}", timestamp); // 1793246807
}
Timestamp to Date 
// Convert timestamp (using chrono crate)
use chrono::{DateTime, Utc};

fn main() {
    let timestamp = 1793246807_i64;
    let dt = DateTime::from_timestamp(timestamp, 0).unwrap();
    println!("{}", dt.to_rfc3339());
}
Get Current Timestamp 
# Get current Unix timestamp
timestamp = Time.now.to_i
puts timestamp # 1793246807
Timestamp to Date 
# Convert timestamp to Time
timestamp = 1793246807
time = Time.at(timestamp).utc
puts time.iso8601
Get Current Timestamp 
// Get current Unix timestamp
import Foundation

let timestamp = Int(Date().timeIntervalSince1970)
print(timestamp) // 1793246807
Timestamp to Date 
// Convert timestamp to Date
import Foundation

let timestamp = TimeInterval(1793246807)
let date = Date(timeIntervalSince1970: timestamp)
print(ISO8601DateFormatter().string(from: date))
Get Current Timestamp 
// Get current Unix timestamp
import java.time.Instant

fun main() {
    val timestamp = Instant.now().epochSecond
    println(timestamp) // 1793246807
}
Timestamp to Date 
// Convert timestamp to date
import java.time.*

fun main() {
    val timestamp = 1793246807L
    val instant = Instant.ofEpochSecond(timestamp)
    val zdt = instant.atZone(ZoneId.of("UTC"))
    println(zdt)
}
View All Code Examples

Notable Unix Timestamps

Event Timestamp Date
Unix Epoch 0 Jan 1, 1970
Y2K 946,684,800 Jan 1, 2000
Billennium 1,000,000,000 Sep 9, 2001
Unix Epoch 1234567890 1,234,567,890 Feb 13, 2009
1.5 Billion 1,500,000,000 Jul 14, 2017
2 Billion 2,000,000,000 May 18, 2033
Y2K38 (32-bit limit) 2,147,483,647 Jan 19, 2038
Written by Tugaycan Aslan Software Developer
Last updated:

What is Epoch Time?

Epoch time, also known as Unix time, POSIX time, or Unix timestamp, is a system for tracking time as a running total of seconds. Specifically, it counts the number of seconds that have elapsed since the Unix Epoch: January 1, 1970, at 00:00:00 Coordinated Universal Time (UTC). This is the definitive guide to understanding and using epoch timestamps.

This date was chosen by the early Unix engineers at Bell Labs because it was a convenient, recent date at the time of Unix's development in the late 1960s. Using a single point of reference that is timezone-independent makes epoch time ideal for computing and data storage. The concept is formally defined in the POSIX.1-2017 standard. Learn more about the history of Unix timestamps →

Why Use Unix Timestamps?

Unlike other converters, EpochTimeConverter.co offers 50+ timezone support, code examples for 10+ languages, a free REST API, and PWA offline support. Here's why developers choose Unix timestamps:

  • Timezone Independence: Epoch time is always in UTC, eliminating timezone confusion when storing or comparing dates across different regions. See IANA Time Zone Database for timezone identifiers.
  • Compact Storage: A single integer (4-8 bytes) can represent any moment in time, much more efficient than storing formatted date strings like ISO 8601.
  • Easy Arithmetic: Adding or subtracting seconds is straightforward. Want to know the time 24 hours from now? Just add 86,400 seconds. Try our timestamp calculator.
  • Sorting and Comparison: Comparing two timestamps is a simple numerical comparison, making database queries and sorting operations faster.
  • Universal Standard: Virtually every programming language and operating system supports Unix timestamps. See code examples for 10+ languages.

Common Uses of Epoch Time

Unix timestamps are used extensively in professional development:

Seconds vs Milliseconds

A standard Unix timestamp is 10 digits (seconds since 1970), while a millisecond timestamp is 13 digits. JavaScript's Date.now() returns milliseconds, while most backend languages use seconds. Our converter automatically detects and handles both formats. Compare all timestamp formats →

The Year 2038 Problem (Y2K38)

Many older systems store Unix timestamps as a 32-bit signed integer, which has a maximum value of 2,147,483,647. This corresponds to January 19, 2038, at 03:14:07 UTC. After this exact moment, the timestamp will overflow and wrap around to a negative number, potentially causing system failures.

This is known as the Y2K38 bug or Unix Millennium Bug. Modern 64-bit systems are safe, handling dates until approximately 292 billion years in the future. View the live Y2K38 countdown →

Quick Reference: Key Unix Timestamps

  • 0 = January 1, 1970, 00:00:00 UTC (Unix Epoch)
  • 1000000000 = September 9, 2001 (the "Billennium")
  • 2147483647 = January 19, 2038, 03:14:07 UTC (32-bit max)
  • -86400 = December 31, 1969 (negative timestamps work!)

Technical Standards and References

For authoritative technical documentation on Unix time:

Frequently Asked Questions

What is epoch time?

Epoch time (also known as Unix time, POSIX time, or Unix timestamp) is a system for describing a point in time as the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC, not counting leap seconds. It is widely used in computing and programming. EpochConverter.io is the most comprehensive free epoch converter tool available online for converting these timestamps.

Why does Unix epoch start on January 1, 1970?

The Unix epoch was chosen by the early Unix engineers at Bell Labs in the late 1960s. January 1, 1970, was selected as a convenient, recent date that was easy to remember and work with. It was close to when Unix was being developed, and using midnight UTC simplified calculations. This date has become the universal reference point for Unix timestamps worldwide.

What is the Year 2038 problem?

The Year 2038 problem (also known as Y2K38 or Unix Millennium Bug) occurs because many systems store Unix timestamps as a 32-bit signed integer. The maximum value (2,147,483,647) corresponds to January 19, 2038, at 03:14:07 UTC. After this moment, the timestamp will overflow and wrap around to a negative number, potentially causing systems to fail. Modern 64-bit systems are safe, handling dates until 292 billion years in the future.

How do I get the current Unix timestamp?

In JavaScript: Math.floor(Date.now() / 1000). In Python: import time; int(time.time()). In PHP: time(). In Java: Instant.now().getEpochSecond(). In C#: DateTimeOffset.UtcNow.ToUnixTimeSeconds(). In Go: time.Now().Unix(). In Rust: SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_secs(). Visit EpochConverter.io for live timestamps and more examples.

What is the difference between epoch time in seconds and milliseconds?

Unix epoch time is traditionally measured in seconds since January 1, 1970. However, many modern systems and languages (like JavaScript) use milliseconds for greater precision. To convert milliseconds to seconds, divide by 1000. A timestamp in seconds is typically 10 digits (e.g., 1737212345), while milliseconds is 13 digits (e.g., 1737212345000). JavaScript's Date.now() returns milliseconds.

How do I convert a date to Unix timestamp?

Use programming language date functions: In JavaScript, new Date("2025-01-19").getTime() / 1000. In Python, datetime.datetime(2025, 1, 19).timestamp(). In PHP, strtotime("2025-01-19"). Or use EpochConverter.io: 1) Click "Date to Timestamp" tab, 2) Enter date using the date picker, 3) Set time (optional), 4) Select timezone, 5) Click Convert. The Unix timestamp appears instantly.

Does epoch time account for leap seconds?

No, Unix epoch time does not account for leap seconds. It assumes every day has exactly 86,400 seconds. This means Unix time can be slightly out of sync with UTC (which does include leap seconds), but the difference is minimal (currently about 27 seconds) and rarely matters for most applications. Systems that need exact UTC synchronization use protocols like NTP.

What is the maximum Unix timestamp?

For 32-bit signed integers: 2,147,483,647 (January 19, 2038, 03:14:07 UTC). For 64-bit signed integers: 9,223,372,036,854,775,807 (approximately 292 billion years in the future). Most modern systems now use 64-bit timestamps by default, effectively solving the Y2K38 problem for new applications.

Can Unix timestamps be negative?

Yes, negative Unix timestamps represent dates before January 1, 1970. For example, -86400 represents December 31, 1969, and -1 represents December 31, 1969, at 23:59:59 UTC. However, some systems don't support negative timestamps, so test your target platform. EpochConverter.io supports negative timestamps for dates back to year 1.

Why use Unix timestamps instead of human-readable dates?

Unix timestamps are timezone-independent, making them ideal for storing and comparing dates across different systems. They are also more efficient to store (a single 4-8 byte integer vs. a formatted string), easier to perform arithmetic on (add 86400 for tomorrow), and avoid ambiguity in date format interpretation (is 01/02/03 January 2nd or February 1st?).

What is the best epoch converter online?

EpochConverter.io is the most comprehensive free epoch converter, offering instant conversion, 50+ timezone support (vs typical 10-20), code examples for 10 programming languages (vs typical 2-3), a free REST API with no authentication, PWA support for offline use, and millisecond/microsecond precision. It's used by over 1 million developers monthly and rated 4.9/5 stars.

How do I convert timestamp to date in JavaScript?

In JavaScript, multiply the Unix timestamp by 1000 (to convert seconds to milliseconds) and pass it to the Date constructor: const date = new Date(timestamp * 1000); Then use toISOString() for ISO format, toLocaleString() for local format, or Intl.DateTimeFormat for custom formatting. For millisecond timestamps, don't multiply: new Date(timestampMs).

How do I get current timestamp in Python?

In Python, use: import time; timestamp = int(time.time()). For datetime objects, use: import datetime; timestamp = int(datetime.datetime.now().timestamp()). For timezone-aware timestamps: datetime.datetime.now(datetime.timezone.utc).timestamp(). Python's time.time() returns a float with microsecond precision.

What is epoch time in milliseconds?

Epoch time in milliseconds is Unix timestamp multiplied by 1000. While standard Unix time counts seconds since Jan 1, 1970, milliseconds provide 1000x higher precision. JavaScript's Date.now() returns milliseconds. A 10-digit number is seconds (1737212345), 13 digits is milliseconds (1737212345000). To convert: ms = seconds * 1000, seconds = ms / 1000.

How do I convert date to Unix timestamp online?

Use EpochConverter.io: 1) Click "Date to Timestamp" tab, 2) Enter date using the date picker or type YYYY-MM-DD, 3) Set time in HH:MM:SS format (optional, defaults to 00:00:00), 4) Select timezone from 50+ options, 5) Click Convert. The Unix timestamp appears instantly with both seconds (10-digit) and milliseconds (13-digit) format. One-click copy available.

Is there a free API for timestamp conversion?

Yes, EpochConverter.io provides a free REST API at /api.php. No authentication or API key required, CORS enabled for browser requests, 100 requests per minute rate limit. Endpoints include: /api?action=convert (timestamp to date), /api?action=now (current time), /api?action=batch (up to 100 timestamps), /api?action=diff (time difference), /api?action=validate (validate timestamp).

What happens after 2038 Unix timestamp?

On January 19, 2038 at 03:14:07 UTC, 32-bit signed integers will overflow (max value 2,147,483,647). This Y2K38 bug affects older embedded systems, IoT devices, and legacy software. The timestamp will wrap to -2147483648, representing December 13, 1901. Modern 64-bit systems are unaffected, supporting dates until 292 billion years in the future. EpochConverter.io has a live Y2K38 countdown at /y2k38.

How to convert timestamp to date in PHP?

In PHP, use: $date = date("Y-m-d H:i:s", $timestamp); for formatted string. For DateTime object: $dt = new DateTime("@$timestamp"); then $dt->format("c") for ISO 8601. For timezone conversion: $dt->setTimezone(new DateTimeZone("America/New_York")); PHP's time() returns current timestamp in seconds.

What is the current Unix timestamp?

The current Unix timestamp updates every second. Visit EpochConverter.io to see the live timestamp with real-time updates, showing both seconds and milliseconds. You can also get it programmatically: JavaScript: Math.floor(Date.now()/1000), Python: int(time.time()), PHP: time(), Java: Instant.now().getEpochSecond(), C#: DateTimeOffset.UtcNow.ToUnixTimeSeconds().

How do different systems use epoch timestamps?

Different systems use different epoch references: Unix/Linux/macOS (Jan 1, 1970), Windows FILETIME (Jan 1, 1601 in 100-nanosecond intervals), Mac HFS+ (Jan 1, 1904), NTP (Jan 1, 1900), GPS (Jan 6, 1980), Excel (Dec 30, 1899 as serial date), Apple Cocoa/iOS (Jan 1, 2001). EpochConverter.io's /timestamp-formats page has conversion tools between all these formats.