1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

package main

import (
	"fmt"
	"time"
)

func main() {
	p := fmt.Println

	t := time.Now()
	p(t.Format(time.RFC3339)) // 2023-08-10T16:53:15+08:00

	t1, e := time.Parse(
		time.RFC3339,
		"2012-11-01T22:08:41+00:00")

	p(t1) // 2012-11-01 22:08:41 +0000 +0000

	p(t.Format("3:04PM"))                           // 4:53PM
	p(t.Format("Mon Jan _2 15:04:05 2006"))         // Thu Aug 10 16:53:15 2023
	p(t.Format("2006-01-02T15:04:05.999999-07:00")) // 2023-08-10T16:53:15.846298+08:00

	form := "3 04 PM"
	t2, e := time.Parse(form, "8 41 PM")

	p(t2) // 0000-01-01 20:41:00 +0000 UTC

	fmt.Printf("%d-%02d-%02dT%02d:%02d:%02d-00:00\n",
		t.Year(), t.Month(), t.Day(),
		t.Hour(), t.Minute(), t.Second()) // 2023-08-10T16:53:15-00:00

	ansic := "Mon Jan _2 15:04:05 2006"
	_, e = time.Parse(ansic, "8:41PM")

	p(e) // parsing time "8:41PM" as "Mon Jan _2 15:04:05 2006": cannot parse "8:41PM" as "Mon"
}