src/app/modules/blogs/edit/edit.html

@@ -171,7 +171,8 @@
       #thresholdInput
     ></m-wire-threshold-input>
     <m-poster-date-selector
-      [date]="blog.time_created"
+      *ngIf="!blog.time_published"
+      [date]="getTimeCreated()"
       (dateChange)="onTimeCreatedChange($event)"
       (onError)="posterDateSelectorError($event)"
     ></m-poster-date-selector>

src/app/modules/blogs/edit/edit.ts

@@ -344,4 +344,10 @@ export class BlogEdit {
   onTimeCreatedChange(newDate) {
     this.blog.time_created = newDate;
   }
+
+  getTimeCreated() {
+    return this.blog.time_created > Math.floor(Date.now() / 1000)
+      ? this.blog.time_created
+      : null;
+  }
 }

src/app/modules/legacy/components/cards/activity/activity.html

@@ -181,7 +181,7 @@
       [(enabled)]="activity.paywall"
     ></m-wire-threshold-input>
     <m-poster-date-selector
-      [date]="activity.time_created"
+      [date]="getTimeCreated()"
       (dateChange)="onTimeCreatedChange($event)"
       (onError)="posterDateSelectorError($event)"
     ></m-poster-date-selector>

src/app/modules/legacy/components/cards/activity/activity.ts

@@ -577,4 +577,10 @@ export class Activity implements OnInit {
   posterDateSelectorError(msg) {
     throw new Error(msg);
   }
+
+  getTimeCreated() {
+    return this.activity.time_created > Math.floor(Date.now() / 1000)
+      ? this.activity.time_created
+      : null;
+  }
 }