How to Remove the Trailing \"m\" Field from a Go Timestamp?

Timestamp Trailing "m" and Solution

In Go, time.Now() returns a timestamp that includes a trailing "m" field, indicating the monotonic clock reading. This field is not part of the wall clock time, which is the relevant information for most time-related calculations.

Removing "m"

To remove the "m" field from the timestamp, you can use the Round() method with a duration of 0. This will strip the monotonic clock reading without affecting the wall clock time.

<code class="go">t := t.Round(0)</code>

Alternative Approach

Alternatively, you can use the Format() method with a custom format string to exclude the "m" field. For example, the following format string will print the timestamp without the monotonic clock reading:

<code class="go">"2006-01-02 15:04:05 +0000 UTC"</code>

Example

The following code demonstrates how to remove the "m" field from a timestamp:

<code class="go">package main

import (
    "fmt"
    "time"
)

func main() {
    t := time.Now()
    fmt.Println("Timestamp with 'm' field:", t)

    t = t.Round(0)
    fmt.Println("Stripped timestamp:", t)
}</code>

Output

Timestamp with 'm' field: 2009-11-10 23:00:00 +0000 UTC m=+0.000000001
Stripped timestamp: 2009-11-10 23:00:00 +0000 UTC

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