diff --git a/app/components/TimeAgo.tsx b/app/components/TimeAgo.tsx
index 289f027ca..24e9eb947 100644
--- a/app/components/TimeAgo.tsx
+++ b/app/components/TimeAgo.tsx
@@ -11,7 +11,7 @@ import RelativeTime from 'dayjs/plugin/relativeTime'
 
 dayjs.locale(locale)
 dayjs.extend(RelativeTime)
-const dateTimeFormat = new Intl.DateTimeFormat(locale.name, {
+export const dateTimeFormat = new Intl.DateTimeFormat(locale.name, {
   dateStyle: 'full',
   timeStyle: 'long',
   timeZone: 'utc',
diff --git a/app/routes/circulars._archive._index/route.tsx b/app/routes/circulars._archive._index/route.tsx
index a3c04c0c8..4870fe677 100644
--- a/app/routes/circulars._archive._index/route.tsx
+++ b/app/routes/circulars._archive._index/route.tsx
@@ -35,6 +35,7 @@ import {
   createChangeRequest,
   get,
   getChangeRequests,
+  moderatorGroup,
   put,
   putVersion,
   search,
@@ -97,9 +98,22 @@ export async function action({ request }: ActionFunctionArgs) {
       if (circularId === undefined)
         throw new Response('circularId is required', { status: 400 })
       if (!user?.name || !user.email) throw new Response(null, { status: 403 })
-
+      let submitter, createdOnDate, createdOnTime, createdOn
+      if (user.groups.includes(moderatorGroup)) {
+        submitter = getFormDataString(data, 'submitter')
+        createdOnDate = getFormDataString(data, 'createdOnDate')
+        createdOnTime = getFormDataString(data, 'createdOnTime')
+        createdOn = Date.parse(`${createdOnDate} ${createdOnTime} UTC`)
+      }
+      if (!submitter || !createdOnDate || !createdOnTime || !createdOn)
+        throw new Response(null, { status: 400 })
       await createChangeRequest(
-        { circularId: parseFloat(circularId), ...props },
+        {
+          circularId: parseFloat(circularId),
+          ...props,
+          submitter,
+          createdOn,
+        },
         user
       )
       await postZendeskRequest({
diff --git a/app/routes/circulars.correction.$circularId.tsx b/app/routes/circulars.correction.$circularId.tsx
index 243ab77a5..3893477b2 100644
--- a/app/routes/circulars.correction.$circularId.tsx
+++ b/app/routes/circulars.correction.$circularId.tsx
@@ -29,13 +29,19 @@ export async function loader({
   const user = await getUser(request)
   if (!user?.groups.includes(group)) throw new Response(null, { status: 403 })
   const circular = await get(parseFloat(circularId))
+  const defaultDateTime = new Date(circular.createdOn ?? 0)
+    .toISOString()
+    .split('T')
+
   return {
     formattedContributor: user ? formatAuthor(user) : '',
     defaultBody: circular.body,
     defaultSubject: circular.subject,
     defaultFormat: circular.format,
     circularId: circular.circularId,
-    submitter: circular.submitter,
+    defaultSubmitter: circular.submitter,
+    defaultCreatedOnDate: defaultDateTime[0],
+    defaultCreatedOnTime: defaultDateTime[1].substring(0, 5),
     searchString: '',
   }
 }
diff --git a/app/routes/circulars.edit.$circularId/CircularEditForm.tsx b/app/routes/circulars.edit.$circularId/CircularEditForm.tsx
index fb0f635a2..632c6a16a 100644
--- a/app/routes/circulars.edit.$circularId/CircularEditForm.tsx
+++ b/app/routes/circulars.edit.$circularId/CircularEditForm.tsx
@@ -9,11 +9,14 @@ import { Form, Link, useNavigation } from '@remix-run/react'
 import {
   Button,
   ButtonGroup,
+  DatePicker,
+  Grid,
   Icon,
   InputGroup,
   InputPrefix,
   Table,
   TextInput,
+  TimePicker,
 } from '@trussworks/react-uswds'
 import classnames from 'classnames'
 import { type ReactNode, useContext, useState } from 'react'
@@ -24,12 +27,17 @@ import { MarkdownBody } from '../circulars.$circularId.($version)/Body'
 import {
   type CircularFormat,
   bodyIsValid,
+  dateIsValid,
   subjectIsValid,
+  submitterIsValid,
 } from '../circulars/circulars.lib'
 import { RichEditor } from './RichEditor'
 import { CircularsKeywords } from '~/components/CircularsKeywords'
 import CollapsableInfo from '~/components/CollapsableInfo'
 import Spinner from '~/components/Spinner'
+import { useModStatus } from '~/root'
+
+import styles from './CircularsEditForm.module.css'
 
 function SyntaxExample({
   label,
@@ -103,20 +111,24 @@ export function SyntaxReference() {
 export function CircularEditForm({
   formattedContributor,
   circularId,
-  submitter,
+  defaultSubmitter,
   defaultFormat,
   defaultBody,
   defaultSubject,
   searchString,
+  defaultCreatedOnDate,
+  defaultCreatedOnTime,
   intent,
 }: {
   formattedContributor: string
   circularId?: number
-  submitter?: string
+  defaultSubmitter?: string
   defaultFormat?: CircularFormat
   defaultBody: string
   defaultSubject: string
   searchString: string
+  defaultCreatedOnDate?: string
+  defaultCreatedOnTime?: string
   intent: 'correction' | 'edit' | 'new'
 }) {
   let formSearchString = '?index'
@@ -130,9 +142,15 @@ export function CircularEditForm({
   const [body, setBody] = useState(defaultBody)
   const [subject, setSubject] = useState(defaultSubject)
   const [format, setFormat] = useState(defaultFormat)
+  const [date, setDate] = useState(defaultCreatedOnDate)
+  const [time, setTime] = useState(defaultCreatedOnTime ?? '12:00')
+  const dateValid = circularId ? dateIsValid(date, time) : true
+
+  const [submitter, setSubmitter] = useState(defaultSubmitter)
+  const submitterValid = circularId ? submitterIsValid(submitter) : true
   const bodyValid = bodyIsValid(body)
   const sending = Boolean(useNavigation().formData)
-  const valid = subjectValid && bodyValid
+  const valid = subjectValid && bodyValid && dateValid && submitterValid
   let headerText, saveButtonText
 
   switch (intent) {
@@ -150,22 +168,40 @@ export function CircularEditForm({
       break
   }
   const bodyPlaceholder = useBodyPlaceholder()
-
   const changesHaveBeenMade =
     body.trim() !== defaultBody.trim() ||
     subject.trim() !== defaultSubject.trim() ||
-    format !== defaultFormat
+    format !== defaultFormat ||
+    submitter?.trim() !== defaultSubmitter ||
+    date !== defaultCreatedOnDate ||
+    time !== defaultCreatedOnTime
+
+  const userIsModerator = useModStatus()
+
   return (
     <AstroDataContext.Provider value={{ rel: 'noopener', target: '_blank' }}>
       <h1>{headerText} GCN Circular</h1>
       <Form method="POST" action={`/circulars${formSearchString}`}>
         <input type="hidden" name="intent" value={intent} />
-        {circularId !== undefined && (
+        {circularId !== undefined && userIsModerator && (
           <>
             <input type="hidden" name="circularId" value={circularId} />
-            <InputGroup className="border-0 maxw-full">
+            <InputGroup
+              className={classnames('maxw-full', {
+                'usa-input--error': !submitterValid,
+                'usa-input--success': submitterValid,
+              })}
+            >
               <InputPrefix className="wide-input-prefix">From</InputPrefix>
-              <span className="padding-1">{submitter}</span>
+              <TextInput
+                className="maxw-full"
+                name="submitter"
+                id="submitter"
+                type="text"
+                defaultValue={defaultSubmitter}
+                onChange={(event) => setSubmitter(event.target.value)}
+                required
+              />
             </InputGroup>
           </>
         )}
@@ -183,6 +219,71 @@ export function CircularEditForm({
             </Button>
           </Link>
         </InputGroup>
+        {circularId !== undefined && (
+          <Grid row gap="md">
+            <Grid tablet={{ col: 'auto' }}>
+              <InputGroup
+                className={classnames({
+                  'usa-input--error': !date || !Date.parse(date),
+                  'usa-input--success': date && Date.parse(date),
+                })}
+              >
+                <InputPrefix className="wide-input-prefix">Date</InputPrefix>
+                <DatePicker
+                  defaultValue={defaultCreatedOnDate}
+                  className={classnames(
+                    styles.DatePicker,
+                    'border-0 flex-fill'
+                  )}
+                  onChange={(value) => {
+                    setDate(value ?? '')
+                  }}
+                  name="createdOnDate"
+                  id="createdOnDate"
+                  dateFormat="YYYY-MM-DD"
+                />
+              </InputGroup>
+            </Grid>
+            <Grid tablet={{ col: 'auto' }}>
+              <InputGroup
+                className={classnames({
+                  'usa-input--error': !time,
+                  'usa-input--success': time,
+                })}
+              >
+                {/* FIXME: The TimePicker component does not by itself 
+                contribute useful form data because only the element has 
+                a name, and the field does not. So the form data is only 
+                populated correctly if the user selects an option from the 
+                dropdown, but not if they type a valid value into the combo box.
+                
+                See https://github.com/trussworks/react-uswds/issues/2806 */}
+                <input
+                  type="hidden"
+                  id="createdOnTime"
+                  name="createdOnTime"
+                  value={time}
+                />
+                <InputPrefix className="wide-input-prefix">Time</InputPrefix>
+                {/* FIXME: Currently only 12 hour formats are supported. We should
+                switch to 24 hours as it is more common/useful for the community.
+                
+                See https://github.com/trussworks/react-uswds/issues/2947 */}
+                <TimePicker
+                  id="createdOnTimeSetter"
+                  name="createdOnTimeSetter"
+                  defaultValue={defaultCreatedOnTime}
+                  className={classnames(styles.TimePicker, 'margin-top-neg-3')}
+                  onChange={(value) => {
+                    setTime(value ?? '')
+                  }}
+                  step={1}
+                  label=""
+                />
+              </InputGroup>
+            </Grid>
+          </Grid>
+        )}
         <InputGroup
           className={classnames('maxw-full', {
             'usa-input--error': subjectValid === false,
diff --git a/app/routes/circulars.edit.$circularId/CircularsEditForm.module.scss b/app/routes/circulars.edit.$circularId/CircularsEditForm.module.scss
new file mode 100644
index 000000000..8f899e799
--- /dev/null
+++ b/app/routes/circulars.edit.$circularId/CircularsEditForm.module.scss
@@ -0,0 +1,14 @@
+.DatePicker {
+  button {
+    margin-top: 0;
+  }
+  input {
+    background-color: transparent;
+  }
+}
+
+.TimePicker {
+  input {
+    background-color: transparent;
+  }
+}
diff --git a/app/routes/circulars.edit.$circularId/route.tsx b/app/routes/circulars.edit.$circularId/route.tsx
index c9788cb8b..58a659e36 100644
--- a/app/routes/circulars.edit.$circularId/route.tsx
+++ b/app/routes/circulars.edit.$circularId/route.tsx
@@ -37,7 +37,7 @@ export async function loader({
     defaultSubject: circular.subject,
     defaultFormat: circular.format,
     circularId: circular.circularId,
-    submitter: circular.submitter,
+    defaultSubmitter: circular.submitter,
     searchString: '',
   }
 }
diff --git a/app/routes/circulars.moderation.$circularId.$requestor.tsx b/app/routes/circulars.moderation.$circularId.$requestor.tsx
index f74a422a2..f614ecc09 100644
--- a/app/routes/circulars.moderation.$circularId.$requestor.tsx
+++ b/app/routes/circulars.moderation.$circularId.$requestor.tsx
@@ -19,6 +19,7 @@ import {
   getChangeRequest,
   moderatorGroup,
 } from './circulars/circulars.server'
+import { dateTimeFormat } from '~/components/TimeAgo'
 import { getFormDataString } from '~/lib/utils'
 import type { BreadcrumbHandle } from '~/root/Title'
 
@@ -70,14 +71,22 @@ export async function loader({
 
 export default function () {
   const { circular, correction } = useLoaderData<typeof loader>()
-
   return (
     <>
       <h2>Circular {circular.circularId}</h2>
       <h3>Original Author</h3>
-      {circular.submitter}
+      <DiffedContent
+        oldString={circular.submitter}
+        newString={correction.submitter}
+      />
       <h3>Requestor</h3>
       {correction.requestor}
+      <h3>Created On</h3>
+      <DiffedContent
+        oldString={dateTimeFormat.format(circular.createdOn)}
+        newString={dateTimeFormat.format(correction.createdOn)}
+        method="lines"
+      />
       <h3>Subject</h3>
       <DiffedContent
         oldString={circular.subject}
@@ -104,14 +113,21 @@ export default function () {
   )
 }
 
+const methodMap = {
+  words: Diff.diffWords,
+  lines: Diff.diffLines,
+}
+
 function DiffedContent({
   oldString,
   newString,
+  method,
 }: {
   oldString: string
   newString: string
+  method?: 'words' | 'lines'
 }) {
-  const diff = Diff.diffWords(oldString, newString)
+  const diff = methodMap[method ?? 'words'](oldString, newString)
 
   return (
     <div>
diff --git a/app/routes/circulars/circulars.lib.ts b/app/routes/circulars/circulars.lib.ts
index 060b2ddf0..b332dd8be 100644
--- a/app/routes/circulars/circulars.lib.ts
+++ b/app/routes/circulars/circulars.lib.ts
@@ -37,6 +37,8 @@ export interface CircularChangeRequest extends CircularMetadata {
   requestorSub: string
   requestorEmail: string
   format: CircularFormat
+  submitter: string
+  createdOn: number
 }
 
 export interface CircularChangeRequestKeys {
@@ -130,6 +132,15 @@ export function formatIsValid(format: string): format is CircularFormat {
   return (circularFormats as any as string[]).includes(format)
 }
 
+/** For updated dates, check that the date is valid */
+export function dateIsValid(date?: string, time?: string) {
+  return !Number.isNaN(Date.parse(`${date}T${time}:00.000Z`))
+}
+
+export function submitterIsValid(submitter?: string) {
+  return Boolean(submitter)
+}
+
 export function emailIsAutoReply(subject: string) {
   const lowercaseSubject = subject.toLowerCase()
   return emailAutoReplyChecklist.some((x) => lowercaseSubject.includes(x))
diff --git a/app/routes/circulars/circulars.server.ts b/app/routes/circulars/circulars.server.ts
index 08864b594..9f2c2ad41 100644
--- a/app/routes/circulars/circulars.server.ts
+++ b/app/routes/circulars/circulars.server.ts
@@ -368,16 +368,11 @@ export async function getVersions(circularId: number): Promise<number[]> {
 export async function createChangeRequest(
   item: Omit<
     Circular,
-    | 'sub'
-    | 'createdOn'
-    | 'submitter'
-    | 'submittedHow'
-    | 'bibcode'
-    | 'editedBy'
-    | 'version'
-    | 'editedOn'
+    'sub' | 'submittedHow' | 'bibcode' | 'editedBy' | 'version' | 'editedOn'
   >,
-  user?: User
+  user?: User,
+  submitter?: string,
+  createdOn?: number
 ) {
   validateCircular(item)
   if (!user)
@@ -386,11 +381,16 @@ export async function createChangeRequest(
     })
   const requestor = formatAuthor(user)
   const db = await tables()
+  const circular = (await db.circulars.get({
+    circularId: item.circularId,
+  })) as Circular
   await db.circulars_change_requests.put({
     ...item,
     requestorSub: user.sub,
     requestorEmail: user.email,
     requestor,
+    createdOn: item.createdOn ?? circular.createdOn,
+    submitter: item.submitter ?? circular.submitter,
   })
 
   await sendEmail({
@@ -518,6 +518,8 @@ export async function approveChangeRequest(
     editedBy: `${formatAuthor(user)} on behalf of ${changeRequest.requestor}`,
     editedOn: Date.now(),
     format: changeRequest.format,
+    submitter: changeRequest.submitter,
+    createdOn: changeRequest.createdOn,
   })
 
   await deleteChangeRequestRaw(circularId, requestorSub)