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FE: Add Plain UTC timezone #1231

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merged 1 commit into from
Jul 30, 2025
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FE: Add Plain UTC timezone #1231

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15 changes: 13 additions & 2 deletions frontend/src/lib/hooks/useTimezones.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,16 @@ interface Timezone {
UTCOffset: string;
}

const UTCPlain: Timezone = {
value: 'UTC',
label: 'Plain UTC',
offset: 'UTC+00:00',
UTCOffset: 'UTC+00:00',
};

const generateTimezones = (): Timezone[] => {
try {
return Intl.supportedValuesOf('timeZone').map((timeZone) => {
const timezones = Intl.supportedValuesOf('timeZone').map((timeZone) => {
try {
const offsetPart =
new Intl.DateTimeFormat('en', {
Expand Down Expand Up @@ -59,12 +66,14 @@ const generateTimezones = (): Timezone[] => {
};
}
});
timezones.push(UTCPlain);
return timezones;
} catch (error) {
// eslint-disable-next-line no-console
console.warn(
'Intl.supportedValuesOf not supported, using fallback timezones'
);
return [
const timezones = [
{
value: 'UTC',
label: 'UTC',
Expand All @@ -90,6 +99,8 @@ const generateTimezones = (): Timezone[] => {
UTCOffset: 'GMT+09:00',
},
];
timezones.push(UTCPlain);
return timezones;
}
};

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