show the most recent date of all posts to display on front end

Based on what you’re asking and what I am understanding there is the_modified_date() or if you just want the value get_the_modified_date().

If you ever want the creation date you could use post_date and post_date_gmt. Several questions on this:

If you are asking for a complete solution I would encourage you to search under custom post type and wp_query. We have several questions that are on the topic. If can make an edit with code I do not mind trying to help you further.

Related Posts:

  1. Wp-query causing problems with the_content();
  2. How to create posts (not post template) to be displayed on projects page?
  3. Quickest way to get last or oldest post date – WP Query
  4. How do I create an archive page for standard posts?
  5. Why does using WP_Query inside a shortcode in an elementor page cause the arguments for WP_Query to get malformed?
  6. Loop on front-page.php
  7. WP_Query is printing out only one post when posts_per_page is set to multiple
  8. WordPress Orderby Numeric Value Not Working
  9. is there a way to retrieve posts that do not have a featured image assigned?
  10. How to add post_type=value when editing that post type in the WordPress admin?
  11. Storing posts from query and accessing later via AJAX call
  12. Show custom post type filtered by category
  13. Get latest 3 posts from multiple CPT in one query
  14. Several post types on WP Query by tag and taxonomy
  15. Prioritize posts in query by meta keys?
  16. How to get all tags of a custom post type by id
  17. WP the_posts() on single-cars.php get category link
  18. Different Limit number of post on different archive page
  19. Custom post types and ‘new WP_Query’
  20. Variable not working in WP_Query
  21. WP_Query with custom post type ID
  22. Query within a foreach within a query (queryception)
  23. wordpress lists similar type of posts in a custom post type
  24. display posts of custom post type with custom taxonomy
  25. How to Query in WordPress which shows Alphabetic Posts?
  26. How to query Posts from a custom post type which contains a custom taxonomy?
  27. Display post from custom post type
  28. list posts of two post types in a single template
  29. How to fetch posts that are stored in the different table than (default) wp_posts?
  30. Display Parent-Child Posts in specific order by comparing IDs in array
  31. how to display posts content on the custom css popup by clicking on each title on the sidebar?
  32. wp_post_delete is deleting all offices
  33. SEARCH QUERIES – REVERSE OUTPUT
  34. How do I insert a custom post type query after a certain number of recent posts and then resume recent posts?
  35. minimize wp_query call to database
  36. subtracting the current post form then whole loop, which is generating all CPT titles
  37. post type => ‘any’ not applied my custom queries
  38. Custom Post By Category
  39. Custom post Query and WordPress Post Query Clash
  40. How to get the posts that my following users are liked?
  41. Get post from Category by Priority
  42. Most efficient way of showing children posts?
  43. Only show current category post
  44. How To Loop Through list with Custom Post Types
  45. Calling specific page with wp query
  46. Retrieving IDs of child pages which are in a different post type
  47. Query Posts From Multiple Post Types
  48. Change display wp post type to wp custom post type
  49. Dynamically change post_parent in every page load?
  50. Cannot exclude particular post from loop of custom post type
  51. How do I hide single category post on my post page
  52. Wp-theme Development
  53. Sort ACF by custom taxonomy
  54. Meta query with boolean true/false value
  55. Get Posts in a Custom Post Type category
  56. Limit the post for differents custom post type in the same wp_query
  57. Querying Posts by Taxonomy From Alternate Network Site
  58. Combine tax_query and meta_query in WP_Query
  59. Should unaltered default loop/query return a list of custom posts belonging to a custom taxonomy?
  60. Multiple Content Block
  61. Display Custom Post Type in Recent Posts
  62. IF statement in a do_shortcode
  63. Make `previous_post_link()` Function Show The Post After Next i.e. Jump A Post
  64. Parent / Child formatting in a list of post of a custom post type
  65. Remove All, Published and Trashed Post Views in Custom Post Type
  66. WP_Query: include custom post type only with specific meta value
  67. showing custom post types of a certain category only
  68. Query Multiple Custom Posts by Custom Fields
  69. Custom taxonomies relationship
  70. WP_Query orderby and tax_query
  71. Load Next Posts With AJAX not working with custom post type
  72. Configuring a meta query with multiple post types that have the same relationship on a single page
  73. Different Ways to Query Custom Post Types?
  74. Permalink misbehaving in Custom Post Types
  75. Loop for custom post types filtered by a taxonomy
  76. Display Only Certain Category In a Custom Page Template
  77. how to get this tax_query working?
  78. Auto post creation
  79. Custom post type and custom taxonomy 404 on page 2
  80. Create a custom post type based on ‘Post’
  81. Wp Meta Query does not work while simple Query Works
  82. set object terms after some some time of published post – functions.php
  83. Change search query in wordpress custom post type
  84. Why is my custom post content only viewable when signed into WordPress?
  85. Limiting the Number of User Posts to Their Own Posts
  86. How select query is generated in a Custom Post Type?
  87. News post with multiple permalinks? When opened from different page
  88. Display title of all custom posts from same taxonomy term on a custom post template
  89. Post Query , breaks layout if a post is deleted
  90. Event Manager: Events Deleted are still in DB as published but hidden in admin
  91. Rewrite url post_tag for custom post type
  92. Single Post (CPT) in two pages – Normal and Extended
  93. WordPress query in which condition uses custom field
  94. How to add New Post On clicking a button?
  95. query and paginate multiple post types
  96. WordPress Author Posts Review After Every Change In The Same WordPress Post
  97. Search page for custom post type
  98. Custom Query With Multiple Meta Key Value
  99. how to remove user name and date in post page
  100. Display posts from another page on home page in wp-editor