JavaScript built-in: Intl: DateTimeFormat: `DateTimeFormat()` constructor: IANA time zone names in `timeZone` option

IE

  1. 6 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12 - 13: Not supported
  2. 14 - 89: Supported
  3. 90: Supported

Firefox

  1. 2 - 51: Not supported
  2. 52 - 87: Supported
  3. 88: Supported
  4. 89 - 90: Supported

Chrome

  1. 4 - 23: Not supported
  2. 24 - 89: Supported
  3. 90: Supported
  4. 91 - 93: Supported

Safari

  1. 3.1 - 9.1: Not supported
  2. 10 - 14: Supported
  3. 14.1: Supported
  4. TP: Supported

Opera

  1. 10 - 12.1: Not supported
  2. 15 - 74: Supported
  3. 75: Supported

Safari on iOS

  1. 3.2 - 9.3: Not supported
  2. 10 - 14.4: Supported
  3. 14.5: Supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 90: Supported

Opera Mobile

  1. 12 - 12.1: Not supported
  2. 62: Supported

Chrome for Android

  1. 90: Supported

Firefox for Android

  1. 87: Supported

UC Browser for Android

  1. 12.12: Support unknown

Samsung Internet

  1. 4 - 13.0: Supported
  2. 14.0: Supported

QQ Browser

  1. 10.4: Support unknown

Baidu Browser

  1. 7.12: Support unknown

KaiOS Browser

  1. 2.5: Support unknown