'America/Caracas' | 'America/Buenos_Aires' |

'Canada/Atlantic' | 'Canada/Newfoundland' | 'Atlantic/Azores' |

'Europe/London' | 'Europe/Brussels' | 'Europe/Kaliningrad' | 'Europe/Moscow' |

'Australia/Eucla' | 'Australia/Darwin' | 'Australia/Lord_Howe' |

type Timezone = 'GMT-1200' | 'GMT-1100' | 'GMT-1000' | 'GMT-0930' | 'GMT-0900' | 'GMT-0800' | 'GMT-0700' |

'GMT-0600' | 'GMT-0500' | 'GMT-0430' | 'GMT-0400' | 'GMT-0330' | 'GMT-0300' | 'GMT-0200' | 'GMT-0100' | 'GMT+0000' |

'GMT+0100' | 'GMT+0200' | 'GMT+0300' | 'GMT+0330' | 'GMT+0400' | 'GMT+0430' | 'GMT+0500' | 'GMT+0530' | 'GMT+0545' |

'GMT+0600' | 'GMT+0630' | 'GMT+0700' | 'GMT+0800' | 'GMT+0845' | 'GMT+0900' | 'GMT+0930' | 'GMT+1000' | 'GMT+1030' |

'GMT+1100' | 'GMT+1130' | 'GMT+1200' | 'GMT+1245' | 'GMT+1300' | 'GMT+1400'

const timezoneToId: Record<TimezoneName, Timezone> = {

'Etc/GMT+12': 'GMT-1200',

'Etc/GMT+11': 'GMT-1100',

'Pacific/Honolulu': 'GMT-1000',

'Pacific/Marquesas': 'GMT-0930',

'America/Anchorage': 'GMT-0900',

'America/Los_Angeles': 'GMT-0800',

'America/Denver': 'GMT-0700',

'America/Chicago': 'GMT-0600',

'America/New_York': 'GMT-0500',

'America/Caracas': 'GMT-0430',

'Canada/Atlantic': 'GMT-0400',

'Canada/Newfoundland': 'GMT-0330',

'America/Buenos_Aires': 'GMT-0300',

'Etc/GMT+2': 'GMT-0200',

'Atlantic/Azores': 'GMT-0100',

'Europe/London': 'GMT+0000',

'Europe/Brussels': 'GMT+0100',

'Europe/Kaliningrad': 'GMT+0200',

'Europe/Moscow': 'GMT+0300',

'Asia/Tehran': 'GMT+0330',

'Asia/Dubai': 'GMT+0400',

'Asia/Kabul': 'GMT+0430',

'Asia/Karachi': 'GMT+0500',

'Asia/Colombo': 'GMT+0530',

'Asia/Kathmandu': 'GMT+0545',

'Asia/Dhaka': 'GMT+0600',

'Asia/Yangon': 'GMT+0630',

'Asia/Bangkok': 'GMT+0700',

'Asia/Shanghai': 'GMT+0800',

'Australia/Eucla': 'GMT+0845',

'Asia/Tokyo': 'GMT+0900',

'Australia/Darwin': 'GMT+0930',

'Pacific/Guam': 'GMT+1000',

'Australia/Lord_Howe': 'GMT+1030',

'Asia/Magadan': 'GMT+1100',

'Pacific/Norfolk': 'GMT+1130',

'Pacific/Auckland': 'GMT+1200',

'Pacific/Chatham': 'GMT+1245',

'Etc/GMT-13': 'GMT+1300',

'Etc/GMT-14': 'GMT+1400'

}

const timezoneNames = Object.keys(timezoneToId)

Timezones

Utility types