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Add MX-CST/CDT Time Zone

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Add the Mexico City CST/CDT timezone.
The start and finish date for DLS differs with the US-CST/CDT rules.
This commit is contained in:
Rod Minor 2021-11-02 21:26:11 -06:00
parent 7e1920dc4b
commit 46e7db6d94
3 changed files with 8 additions and 0 deletions
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1
wled00/data/settings_time.htm
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@ -130,6 +130,7 @@
<option value="18">HST (Hawaii)</option>
<option value="19">NOVT (Novosibirsk)</option>
<option value="20">AKST/AKDT (Anchorage)</option>
<option value="21">MX-CST/CDT</option>
</select><br>
UTC offset: <input name="UO" type="number" min="-65500" max="65500" required> seconds (max. 18 hours)<br>
Current local time is <span class="times">unknown</span>.<br>

1
wled00/html_settings.h
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@ -353,6 +353,7 @@ North Korea</option><option value="14">IST (India)</option><option value="15">
CA-Saskatchewan</option><option value="16">ACST</option><option value="17">
ACST/ACDT</option><option value="18">HST (Hawaii)</option><option value="19">
NOVT (Novosibirsk)</option><option value="20">AKST/AKDT (Anchorage)</option>
<option value="21">MX-CST/CDT</option>
</select><br>UTC offset: <input name="UO" type="number" min="-65500"
max="65500" required> seconds (max. 18 hours)<br>Current local time is <span
class="times">unknown</span>.<br>Latitude (N): <input name="LT" type="number"

6
wled00/ntp.cpp
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@ -31,6 +31,7 @@ Timezone* tz;
#define TZ_HAWAII 18
#define TZ_NOVOSIBIRSK 19
#define TZ_ANCHORAGE 20
#define TZ_MX_CENTRAL 21
#define TZ_INIT 255
byte tzCurrent = TZ_INIT; //uninitialized
@ -141,6 +142,11 @@ void updateTimezone() {
tcrStandard = {First, Sun, Nov, 2, -540}; //AKST = UTC - 9 hours
break;
}
case TZ_MX_CENTRAL : {
tcrDaylight = {First, Sun, Apr, 2, -300}; //CDT = UTC - 5 hours
tcrStandard = {Last, Sun, Oct, 2, -360}; //CST = UTC - 6 hours
break;
}
}
tzCurrent = currentTimezone;