diff --git a/lib/adamantium/micropub_request_parser.rb b/lib/adamantium/micropub_request_parser.rb
index 8efcba0..b5e0f72 100644
--- a/lib/adamantium/micropub_request_parser.rb
+++ b/lib/adamantium/micropub_request_parser.rb
@@ -99,7 +99,8 @@ module Adamantium
       new_params[:url] = checkin.dig(:properties, :url)&.first
       new_params[:slug] = SecureRandom.uuid
       new_params[:category] = params.dig(:properties, :category)
-      new_params[:published_at] = params.dig(:properties, :published)&.first
+      published = DateTime.parse(params.dig(:properties, :published)&.first).new_offset(0)
+      new_params[:published_at] = published
       new_params[:post_type] = :checkin
       location = params.dig(:properties, :location).first[:properties]
       new_params[:photos] = []