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Complete guide to working with timestamps in Java. Learn modern Java 8+ time API, timezone handling, and best practices. Copy-paste ready code examples.
Complete guide to working with timestamps in Java. Modern Java 8+ API and legacy approaches.
Get current Unix timestamp in milliseconds and seconds
// Method 1: System.currentTimeMillis() (Recommended)
long timestampMs = System.currentTimeMillis();
System.out.println(timestampMs); // 1729584000000
// Method 2: Instant.now() (Java 8+)
import java.time.Instant;
long timestampMs2 = Instant.now().toEpochMilli();
// Get timestamp in seconds
long timestampSec = System.currentTimeMillis() / 1000;
// Or using Instant
long timestampSec2 = Instant.now().getEpochSecond();Convert Unix timestamp to Date object
import java.util.Date;
import java.time.Instant;
// From milliseconds (legacy Date)
Date date = new Date(1729584000000L);
System.out.println(date); // Mon Oct 22 01:20:00 UTC 2024
// From seconds (convert to milliseconds)
Date dateFromSec = new Date(1729584000L * 1000);
// Using Instant (Java 8+, recommended)
Instant instant = Instant.ofEpochMilli(1729584000000L);
System.out.println(instant); // 2024-10-22T01:20:00Z
// From seconds using Instant
Instant instantFromSec = Instant.ofEpochSecond(1729584000L);Convert Date objects to Unix timestamps
import java.util.Date;
import java.time.LocalDateTime;
import java.time.ZoneId;
// Legacy Date to timestamp
Date date = new Date();
long timestamp = date.getTime();
// LocalDateTime to timestamp (Java 8+)
LocalDateTime ldt = LocalDateTime.now();
long timestampMs = ldt.atZone(ZoneId.systemDefault())
                      .toInstant()
                      .toEpochMilli();
// Specific date to timestamp
LocalDateTime specific = LocalDateTime.of(2024, 10, 22, 1, 20, 0);
long specificTimestamp = specific.atZone(ZoneId.of("UTC"))
                                 .toInstant()
                                 .toEpochMilli();System.currentTimeMillis()Instant.now().toEpochMilli()Instant.now().getEpochSecond()new Date(timestamp)Instant.ofEpochMilli(ms)Instant.ofEpochSecond(sec)DateTimeFormatter.ISO_INSTANTofPattern("yyyy-MM-dd")SimpleDateFormat (legacy)Instant (UTC point in time)ZonedDateTime (with TZ)LocalDateTime (no TZ)Learn more about this powerful tool
This tool provides essential functionality for your timestamp needs.
Designed to help you work with timestamps efficiently.
Save time and improve accuracy in your timestamp operations.
Discover what makes this tool powerful
Professional java timestamp with comprehensive functionality. Industry-leading java timestamp providing accurate results and advanced features for all your needs.
Lightning-fast java timestamp with real-time results. Optimized java timestamp algorithms providing immediate accurate calculations and conversions.
All java timestamp operations happen locally in your browser. No data sent to servers, ensuring complete privacy for your operations.
Intuitive java timestamp interface designed for ease of use. Clear displays and helpful guides make the java timestamp accessible to everyone.
Java Timestamp working across all platforms and browsers. Compatible java timestamp supporting desktop, mobile, and tablet devices.
Completely free java timestamp with no registration required. Full-featured java timestamp available at no cost with unlimited usage.
Professional-grade timestamp processing with enterprise-level reliability
Simple steps to use this timestamp tool effectively
Enter your timestamp or date value in the input field provided by the tool.
Choose your preferred output format and any additional options for the conversion.
View the converted results instantly with high accuracy and precision.
Copy the results to your clipboard and use them in your applications or projects.
Common questions about timestamp tools and date conversion
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