How to convert a Unix timestamp to DateTime and vice versa in C#?

How to convert a Unix timestamp to DateTime and vice versa in C#?

To convert a Unix timestamp to a DateTime object in C#, you can use the DateTimeOffset.FromUnixTimeSeconds method. Here's an example:

 long unixTimestamp = 1614157839; DateTimeOffset dateTimeOffset = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp); DateTime dateTime = dateTimeOffset.LocalDateTime;

In this example, we first define a long variable unixTimestamp containing the Unix timestamp value. We then call the FromUnixTimeSeconds method of the DateTimeOffset class, passing in the Unix timestamp value as a parameter. This method returns a DateTimeOffset object representing the same date and time as the Unix timestamp. Finally, we get the LocalDateTime property of the DateTimeOffset object to get a DateTime object in the local time zone.

To convert a DateTime object to a Unix timestamp in C#, you can use the DateTimeOffset.ToUnixTimeSeconds method. Here's an example:

 DateTime dateTime = DateTime.Now; DateTimeOffset dateTimeOffset = new DateTimeOffset(dateTime); long unixTimestamp = dateTimeOffset.ToUnixTimeSeconds();

In this example, we first define a DateTime variable dateTime containing the date and time we want to convert to a Unix timestamp. We then create a DateTimeOffset object using the DateTime value, which represents the same date and time as dateTime but with the local time zone offset applied. Finally, we call the ToUnixTimeSeconds method of the DateTimeOffset object to get a long value representing the Unix timestamp.

Examples

1. "C# convert Unix timestamp to DateTime"

Code Implementation:

long unixTimestamp = 1613989335; // Replace with your Unix timestamp DateTime dateTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime;

2. "Unix timestamp to DateTime conversion in C#"

Code Implementation:

long unixTimestamp = 1613989335; // Replace with your Unix timestamp DateTime dateTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime;

3. "C# DateTime to Unix timestamp conversion"

Code Implementation:

DateTime dateTime = DateTime.UtcNow; // Replace with your DateTime long unixTimestamp = new DateTimeOffset(dateTime).ToUnixTimeSeconds();

4. "Convert Unix timestamp to DateTime with timezone in C#"

Code Implementation:

long unixTimestamp = 1613989335; // Replace with your Unix timestamp DateTime dateTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime;

5. "C# Unix timestamp parsing and formatting"

Code Implementation:

string unixTimestampString = "1613989335"; // Replace with your Unix timestamp string long unixTimestamp = long.Parse(unixTimestampString); DateTime dateTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime;

6. "Unix timestamp to DateTime string conversion in C#"

Code Implementation:

long unixTimestamp = 1613989335; // Replace with your Unix timestamp DateTime dateTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime; string dateTimeString = dateTime.ToString("yyyy-MM-dd HH:mm:ss");

7. "C# DateTime to Unix timestamp string conversion"

Code Implementation:

DateTime dateTime = DateTime.UtcNow; // Replace with your DateTime long unixTimestamp = new DateTimeOffset(dateTime).ToUnixTimeSeconds(); string unixTimestampString = unixTimestamp.ToString();

8. "Unix timestamp to DateTime with milliseconds in C#"

Code Implementation:

long unixTimestampMilliseconds = 1613989335123; // Replace with your Unix timestamp in milliseconds DateTime dateTime = DateTimeOffset.FromUnixTimeMilliseconds(unixTimestampMilliseconds).DateTime;

9. "C# convert DateTime to Unix timestamp with milliseconds"

Code Implementation:

DateTime dateTime = DateTime.UtcNow; // Replace with your DateTime long unixTimestampMilliseconds = new DateTimeOffset(dateTime).ToUnixTimeMilliseconds();

10. "Parsing Unix timestamp from string and converting to DateTime in C#"

Code Implementation:

string unixTimestampString = "1613989335"; // Replace with your Unix timestamp string long unixTimestamp = long.Parse(unixTimestampString); DateTime dateTime = DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime;

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