tztest

tztest.odin

package main

import "core:fmt"
import "core:time"
import "core:time/datetime"
import "core:time/timezone"

check_tz :: proc(dt: datetime.DateTime, tz: ^datetime.TZ_Region) {
    tz_dt := timezone.datetime_to_tz(dt, tz)
    utc_dt := timezone.datetime_to_utc(tz_dt)

    fmt.printf("time in UTC: %v\n", timezone.datetime_to_str(dt))
    fmt.printf("time in %v: %v\n", timezone.shortname(tz_dt), timezone.datetime_to_str(tz_dt))
    fmt.printf("time in UTC: %v\n\n", timezone.datetime_to_str(utc_dt))
}

main :: proc() {
    dst_dt, _ := datetime.components_to_datetime(2024, 10, 4, 23, 47, 0)
    std_dt, _ := datetime.components_to_datetime(2024, 11, 3, 23, 47, 0)

    local_tz, ok := timezone.region_load("local")
    if !ok {
        fmt.printf("Failed to load local tz!\n")
        return
    }
	defer timezone.region_destroy(local_tz)

    edm_tz, ok2 := timezone.region_load("America/Edmonton")
    if !ok2 {
        fmt.printf("Failed to load edm tz!\n")
        return
    }
	defer timezone.region_destroy(edm_tz)

	check_tz(dst_dt, local_tz)
	check_tz(std_dt, local_tz)

	check_tz(dst_dt, edm_tz)
	check_tz(std_dt, edm_tz)
}