Timezone of expiration dates in "Certificate Management" of vSphere Client

Products

• VMware vCenter Server

Issue/Introduction

This knowledge article explains the timezone of the certificate expiration date displayed in the "Certificate Management" screen of the vSphere Client.

Environment

VMware vCenter Server 7.0.x
VMware vCenter Server 8.0.x

Resolution

The certificate expiration date displayed on the "Certificate Management" screen of the vSphere Client is not fixed to UTC/GMT, but is automatically converted and displayed based on the browser's local timezone (e.g., Asia/Tokyo).

Note: The certificate expiration date displayed in CLIs such as vCert is displayed in GMT. Therefore, depending on the timezone, the date and time displayed in the CLI and the vSphere Client may differ.

vCert:

vSphere Client:

To check the timezone that the browser is using, perform the following steps:

1. Press the F12 key in the browser opening the vSphere Client to open the browser's developer tools.

2. Select the [Console] tab.

3. Enter the following command and press the Enter key.
   
   Intl.DateTimeFormat().resolvedOptions().timeZone

4. Check the outputted timezone (e.g., 'Asia/Tokyo').
   
   

Additional Information

vSphere Client の「証明書の管理」における有効期限のタイムゾーンについて (444010)