Here are a few descriptions for the WordPress post tag “接種時間” (Jiēzhòng Shíjiān – Vaccination Time) in Traditional Chinese, catering to different needs:

**Option 1: Concise and General**

* **標籤描述 (Tag Description):** 了解疫苗接種的時間安排。 (Understand the schedule for vaccine appointments.)

**Option 2: Slightly more informative**

* **標籤描述 (Tag Description):** 疫苗接種的時間，包括預約、接種及相關流程資訊。 (Vaccination times, including appointment booking, vaccination, and related procedural information.)

**Option 3: Focusing on accessibility**

* **標籤描述 (Tag Description):** 查找關於接種疫苗的時間資訊，方便您安排行程。 (Find information about vaccine appointment times to help you plan your schedule.)

**Option 4: For a blog with varied content**

* **標籤描述 (Tag Description):** 收集所有與疫苗接種時間相關的文章，包括疫苗接種時段、預約安排及最新公告。 (Collection of all articles related to vaccination times, including vaccination session times, appointment arrangements, and the latest announcements.)

**Considerations for choice:**

* **Blog Theme:** Does your blog focus on simple information, or a broader discussion of vaccine-related topics?
* **Target Audience:** Who are you trying to reach? (More casual language might work for a general audience.)
* **Content Variety:** Will you only be covering appointment times, or also related issues?

You can also adjust the wording slightly to be more specific to the types of things posted about that Tag.
Choose the option that best suits your specific blog and content!