# dotnet --info

.NET Core SDK (reflecting any global.json):

 Version:   2.2.202

 Commit:    8a7ff6789d

Runtime Environment:

 OS Name:     centos

 OS Version:  7

 OS Platform: Linux

 RID:         centos.7-x64

 Base Path:   /usr/share/dotnet/sdk/2.2.202/

Host (useful for support):

  Version: 2.2.3

  Commit:  6b8ad509b6

.NET Core SDKs installed:

  2.2.202 [/usr/share/dotnet/sdk]

.NET Core runtimes installed:

  Microsoft.AspNetCore.All 2.2.3 [/usr/share/dotnet/shared/Microsoft.AspNetCore.All]

  Microsoft.AspNetCore.App 2.2.3 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]

  Microsoft.NETCore.App 2.2.3 [/usr/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:

  https://aka.ms/dotnet-download

Unhandled Exception: System.TimeZoneNotFoundException: The time zone ID 'China Standard Time' was not found on the local computer. ---> System.IO.FileNotFoundException: Could not find file '/usr/share/zoneinfo/China Standard Time'.

   at Interop.ThrowExceptionForIoErrno(ErrorInfo errorInfo, String path, Boolean isDirectory, Func`2 errorRewriter)

   at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String path, OpenFlags flags, Int32 mode)

   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)

   at Internal.IO.File.ReadAllBytes(String path)

   at System.TimeZoneInfo.TryGetTimeZoneFromLocalMachine(String id, TimeZoneInfo& value, Exception& e)

   --- End of inner exception stack trace ---

   at System.TimeZoneInfo.FindSystemTimeZoneById(String id)

Dateline Standard Time

UTC-11

Aleutian Standard Time

Hawaiian Standard Time

Marquesas Standard Time

Alaskan Standard Time

UTC-09

Pacific Standard Time (Mexico)

UTC-08

Pacific Standard Time

US Mountain Standard Time

Mountain Standard Time (Mexico)

Mountain Standard Time

Central America Standard Time

Central Standard Time

Easter Island Standard Time

Central Standard Time (Mexico)

Canada Central Standard Time

SA Pacific Standard Time

Eastern Standard Time (Mexico)

Eastern Standard Time

Haiti Standard Time

Cuba Standard Time

US Eastern Standard Time

Turks And Caicos Standard Time

Paraguay Standard Time

Atlantic Standard Time

Venezuela Standard Time

Central Brazilian Standard Time

SA Western Standard Time

Pacific SA Standard Time

Newfoundland Standard Time

Tocantins Standard Time

E. South America Standard Time

SA Eastern Standard Time

Argentina Standard Time

Greenland Standard Time

Montevideo Standard Time

Magallanes Standard Time

Saint Pierre Standard Time

Bahia Standard Time

UTC-02

Mid-Atlantic Standard Time

Azores Standard Time

Cape Verde Standard Time

UTC

Morocco Standard Time

GMT Standard Time

Greenwich Standard Time

W. Europe Standard Time

Central Europe Standard Time

Romance Standard Time

Sao Tome Standard Time

Central European Standard Time

W. Central Africa Standard Time

Jordan Standard Time

GTB Standard Time

Middle East Standard Time

Egypt Standard Time

E. Europe Standard Time

Syria Standard Time

West Bank Standard Time

South Africa Standard Time

FLE Standard Time

Israel Standard Time

Kaliningrad Standard Time

Sudan Standard Time

Libya Standard Time

Namibia Standard Time

Arabic Standard Time

Turkey Standard Time

Arab Standard Time

Belarus Standard Time

Russian Standard Time

E. Africa Standard Time

Iran Standard Time

Arabian Standard Time

Astrakhan Standard Time

Azerbaijan Standard Time

Russia Time Zone 3

Mauritius Standard Time

Saratov Standard Time

Georgian Standard Time

Caucasus Standard Time

Afghanistan Standard Time

West Asia Standard Time

Ekaterinburg Standard Time

Pakistan Standard Time

India Standard Time

Sri Lanka Standard Time

Nepal Standard Time

Central Asia Standard Time

Bangladesh Standard Time

Omsk Standard Time

Myanmar Standard Time

SE Asia Standard Time

Altai Standard Time

W. Mongolia Standard Time

North Asia Standard Time

N. Central Asia Standard Time

Tomsk Standard Time

China Standard Time

North Asia East Standard Time

Singapore Standard Time

W. Australia Standard Time

Taipei Standard Time

Ulaanbaatar Standard Time

North Korea Standard Time

Aus Central W. Standard Time

Transbaikal Standard Time

Tokyo Standard Time

Korea Standard Time

Yakutsk Standard Time

Cen. Australia Standard Time

AUS Central Standard Time

E. Australia Standard Time

AUS Eastern Standard Time

West Pacific Standard Time

Tasmania Standard Time

Vladivostok Standard Time

Lord Howe Standard Time

Bougainville Standard Time

Russia Time Zone 10

Magadan Standard Time

Norfolk Standard Time

Sakhalin Standard Time

Central Pacific Standard Time

Russia Time Zone 11

New Zealand Standard Time

UTC+12

Fiji Standard Time

Kamchatka Standard Time

Chatham Islands Standard Time

UTC+13

Tonga Standard Time

Samoa Standard Time

Line Islands Standard Time

Pacific/Niue

Pacific/Pago_Pago

Pacific/Midway

Pacific/Rarotonga

America/Adak

Pacific/Honolulu

Pacific/Tahiti

Pacific/Marquesas

America/Metlakatla

America/Sitka

America/Nome

America/Juneau

America/Yakutat

America/Anchorage

Pacific/Gambier

America/Los_Angeles

America/Vancouver

America/Whitehorse

America/Dawson

America/Tijuana

Pacific/Pitcairn

America/Hermosillo

America/Chihuahua

America/Mazatlan

America/Yellowknife

America/Phoenix

America/Boise

America/Denver

America/Edmonton

America/Cambridge_Bay

America/Fort_Nelson

America/Creston

America/Dawson_Creek

America/Ojinaga

America/Inuvik

America/Belize

America/Winnipeg

America/Rainy_River

America/Resolute

America/Regina

America/Swift_Current

America/Matamoros

America/Monterrey

America/Managua

America/Merida

America/Costa_Rica

America/Mexico_City

America/Guatemala

America/Tegucigalpa

America/El_Salvador

America/Rankin_Inlet

America/Bahia_Banderas

America/North_Dakota/New_Salem

America/Indiana/Knox

America/North_Dakota/Beulah

America/Indiana/Tell_City

America/North_Dakota/Center

America/Chicago

America/Menominee

Pacific/Easter

Pacific/Galapagos

America/Rio_Branco

America/Eirunepe

America/Bogota

America/Havana

America/Kentucky/Louisville

America/Atikokan

America/Indiana/Indianapolis

America/Nassau

America/Pangnirtung

America/Iqaluit

America/Thunder_Bay

America/Kentucky/Monticello

America/Indiana/Vevay

America/Nipigon

America/Port-au-Prince

America/Detroit

America/New_York

America/Panama

America/Cancun

America/Jamaica

America/Indiana/Vincennes

America/Cayman

America/Indiana/Winamac

America/Indiana/Marengo

America/Indiana/Petersburg

America/Toronto

America/Guayaquil

America/Lima

America/Manaus

America/Boa_Vista

America/Porto_Velho

America/Cuiaba

America/Campo_Grande

America/Goose_Bay

America/Kralendijk

America/Curacao

America/Grenada

America/Puerto_Rico

America/St_Lucia

America/Marigot

America/St_Vincent

America/Grand_Turk

America/Dominica

America/Santo_Domingo

Atlantic/Bermuda

America/Port_of_Spain

America/St_Barthelemy

America/Lower_Princes

America/Anguilla

America/St_Kitts

America/Antigua

America/Tortola

America/St_Thomas

America/Montserrat

America/Martinique

America/Blanc-Sablon

America/Thule

America/Barbados

America/Aruba

America/Halifax

America/Guadeloupe

America/Moncton

America/Glace_Bay

America/La_Paz

America/Santiago

America/Guyana

America/Asuncion

America/Caracas

America/St_Johns

America/Argentina/La_Rioja

America/Argentina/Ushuaia

America/Argentina/Rio_Gallegos

America/Argentina/Mendoza

America/Argentina/San_Juan

America/Argentina/Catamarca

America/Argentina/Jujuy

America/Argentina/Salta

America/Argentina/Buenos_Aires

America/Argentina/Tucuman

America/Argentina/Cordoba

America/Maceio

America/Araguaina

America/Bahia

America/Sao_Paulo

America/Santarem

America/Recife

America/Belem

America/Fortaleza

Antarctica/Palmer

Atlantic/Stanley

America/Cayenne

America/Punta_Arenas

Antarctica/Rothera

America/Miquelon

America/Paramaribo

America/Montevideo

America/Godthab

America/Argentina/San_Luis

America/Noronha

Atlantic/South_Georgia

Atlantic/Azores

Atlantic/Cape_Verde

America/Scoresbysund

Europe/Isle_of_Man

Antarctica/Troll

Africa/Dakar

Africa/Ouagadougou

Africa/Bissau

Africa/Nouakchott

Europe/Jersey

Africa/Abidjan

Atlantic/St_Helena

Africa/Banjul

Africa/Freetown

Europe/London

Africa/Lome

Africa/Conakry

Europe/Guernsey

Africa/Accra

Atlantic/Reykjavik

America/Danmarkshavn

Africa/Bamako

Africa/Monrovia

Africa/Casablanca

Atlantic/Canary

Africa/El_Aaiun

Atlantic/Faroe

Europe/Lisbon

Atlantic/Madeira

Europe/Vaduz

Europe/Malta

Europe/Podgorica

Europe/Monaco

Europe/Rome

Europe/Luxembourg

Europe/Amsterdam

Europe/Oslo

Europe/Andorra

Africa/Algiers

Europe/Tirane

Europe/Vatican

Europe/Vienna

Europe/Sarajevo

Europe/Brussels

Europe/Zurich

Africa/Tunis

Europe/Prague

Europe/Berlin

Europe/Busingen

Europe/Copenhagen

Europe/Warsaw

Europe/Madrid

Africa/Ceuta

Europe/San_Marino

Europe/Skopje

Europe/Belgrade

Arctic/Longyearbyen

Europe/Paris

Europe/Budapest

Europe/Ljubljana

Europe/Zagreb

Europe/Gibraltar

Europe/Stockholm

Europe/Bratislava

Europe/Dublin

Africa/Sao_Tome

Africa/Luanda

Africa/Porto-Novo

Africa/Kinshasa

Africa/Brazzaville

Africa/Bangui

Africa/Malabo

Africa/Douala

Africa/Ndjamena

Africa/Libreville

Africa/Lagos

Africa/Niamey

Africa/Kigali

Africa/Blantyre

Africa/Maputo

Africa/Harare

Africa/Lusaka

Africa/Lubumbashi

Africa/Gaborone

Africa/Bujumbura

Africa/Khartoum

Asia/Gaza

Asia/Hebron

Europe/Bucharest

Europe/Kiev

Europe/Mariehamn

Europe/Sofia

Europe/Athens

Europe/Helsinki

Africa/Cairo

Europe/Tallinn

Asia/Damascus

Asia/Nicosia

Europe/Zaporozhye

Asia/Amman

Europe/Kaliningrad

Europe/Uzhgorod

Asia/Beirut

Africa/Tripoli

Europe/Vilnius

Europe/Chisinau

Europe/Riga

Asia/Famagusta

Asia/Jerusalem

Africa/Maseru

Africa/Mbabane

Africa/Johannesburg

Africa/Windhoek

Asia/Aden

Asia/Qatar

Asia/Bahrain

Asia/Riyadh

Asia/Kuwait

Asia/Baghdad

Africa/Addis_Ababa

Africa/Djibouti

Africa/Mogadishu

Africa/Juba

Africa/Asmara

Indian/Mayotte

Africa/Dar_es_Salaam

Indian/Antananarivo

Africa/Kampala

Indian/Comoro

Africa/Nairobi

Europe/Istanbul

Europe/Minsk

Europe/Kirov

Europe/Moscow

Europe/Volgograd

Europe/Simferopol

Antarctica/Syowa

Asia/Tehran

Asia/Yerevan

Asia/Baku

Europe/Saratov

Europe/Astrakhan

Europe/Ulyanovsk

Asia/Tbilisi

Asia/Dubai

Asia/Muscat

Indian/Mauritius

Indian/Reunion

Europe/Samara

Indian/Mahe

Asia/Kabul

Indian/Kerguelen

Asia/Atyrau

Indian/Maldives

Antarctica/Mawson

Asia/Karachi

Asia/Dushanbe

Asia/Ashgabat

Asia/Tashkent

Asia/Samarkand

Asia/Aqtobe

Asia/Aqtau

Asia/Oral

Asia/Yekaterinburg

Asia/Colombo

Asia/Kolkata

Asia/Kathmandu

Asia/Dhaka

Asia/Thimphu

Asia/Almaty

Asia/Qyzylorda

Asia/Urumqi

Indian/Chagos

Asia/Bishkek

Asia/Omsk

Antarctica/Vostok

Indian/Cocos

Asia/Yangon

Indian/Christmas

Antarctica/Davis

Asia/Tomsk

Asia/Barnaul

Asia/Hovd

Asia/Ho_Chi_Minh

Asia/Vientiane

Asia/Phnom_Penh

Asia/Bangkok

Asia/Krasnoyarsk

Asia/Novokuznetsk

Asia/Novosibirsk

Asia/Jakarta

Asia/Pontianak

Antarctica/Casey

Australia/Perth

Asia/Brunei

Asia/Makassar

Asia/Macau

Asia/Shanghai

Asia/Choibalsan

Asia/Hong_Kong

Asia/Irkutsk

Asia/Kuching

Asia/Kuala_Lumpur

Asia/Manila

Asia/Singapore

Asia/Taipei

Asia/Ulaanbaatar

Australia/Eucla

Asia/Dili

Asia/Jayapura

Asia/Tokyo

Asia/Seoul

Pacific/Palau

Asia/Pyongyang

Asia/Chita

Asia/Yakutsk

Asia/Khandyga

Australia/Broken_Hill

Australia/Adelaide

Australia/Darwin

Australia/Currie

Australia/Hobart

Australia/Melbourne

Australia/Sydney

Australia/Brisbane

Australia/Lindeman

Pacific/Saipan

Pacific/Guam

Pacific/Chuuk

Antarctica/DumontDUrville

Pacific/Port_Moresby

Asia/Ust-Nera

Asia/Vladivostok

Australia/Lord_Howe

Pacific/Bougainville

Asia/Srednekolymsk

Pacific/Kosrae

Antarctica/Macquarie

Asia/Magadan

Pacific/Noumea

Pacific/Norfolk

Pacific/Pohnpei

Asia/Sakhalin

Pacific/Guadalcanal

Pacific/Efate

Asia/Anadyr

Pacific/Fiji

Pacific/Tarawa

Pacific/Kwajalein

Pacific/Majuro

Pacific/Nauru

Pacific/Auckland

Antarctica/McMurdo

Asia/Kamchatka

Pacific/Funafuti

Pacific/Wake

Pacific/Wallis

Pacific/Chatham

Pacific/Apia

Pacific/Enderbury

Pacific/Fakaofo

Pacific/Tongatapu

Pacific/Kiritimati

TimeZoneInfo tzi = TZConvert.GetTimeZoneInfo("Central Standard Time");

TimeZoneInfo tzi = TZConvert.GetTimeZoneInfo("America/New_York");

#修改

RecurringJob.AddOrUpdate(() => SchedulePollingTaskBackgroundJobAsync(), @"30 16,20 * * *", TZConvert.GetTimeZoneInfo("Asia/Shanghai"));