diff --git a/app/javascript/mastodon/components/relative_timestamp.js b/app/javascript/mastodon/components/relative_timestamp.js
index aa4b73cfe..711181dcd 100644
--- a/app/javascript/mastodon/components/relative_timestamp.js
+++ b/app/javascript/mastodon/components/relative_timestamp.js
@@ -3,6 +3,7 @@ import { injectIntl, defineMessages } from 'react-intl';
 import PropTypes from 'prop-types';
 
 const messages = defineMessages({
+  today: { id: 'relative_time.today', defaultMessage: 'today' },
   just_now: { id: 'relative_time.just_now', defaultMessage: 'now' },
   seconds: { id: 'relative_time.seconds', defaultMessage: '{number}s' },
   minutes: { id: 'relative_time.minutes', defaultMessage: '{number}m' },
@@ -65,12 +66,14 @@ const getUnitDelay = units => {
   }
 };
 
-export const timeAgoString = (intl, date, now, year) => {
+export const timeAgoString = (intl, date, now, year, timeGiven = true) => {
   const delta = now - date.getTime();
 
   let relativeTime;
 
-  if (delta < 10 * SECOND) {
+  if (delta < DAY && !timeGiven) {
+    relativeTime = intl.formatMessage(messages.today);
+  } else if (delta < 10 * SECOND) {
     relativeTime = intl.formatMessage(messages.just_now);
   } else if (delta < 7 * DAY) {
     if (delta < MINUTE) {
@@ -91,12 +94,14 @@ export const timeAgoString = (intl, date, now, year) => {
   return relativeTime;
 };
 
-const timeRemainingString = (intl, date, now) => {
+const timeRemainingString = (intl, date, now, timeGiven = true) => {
   const delta = date.getTime() - now;
 
   let relativeTime;
 
-  if (delta < 10 * SECOND) {
+  if (delta < DAY && !timeGiven) {
+    relativeTime = intl.formatMessage(messages.today);
+  } else if (delta < 10 * SECOND) {
     relativeTime = intl.formatMessage(messages.moments_remaining);
   } else if (delta < MINUTE) {
     relativeTime = intl.formatMessage(messages.seconds_remaining, { number: Math.floor(delta / SECOND) });
@@ -173,8 +178,9 @@ class RelativeTimestamp extends React.Component {
   render () {
     const { timestamp, intl, year, futureDate } = this.props;
 
+    const timeGiven    = timestamp.includes('T');
     const date         = new Date(timestamp);
-    const relativeTime = futureDate ? timeRemainingString(intl, date, this.state.now) : timeAgoString(intl, date, this.state.now, year);
+    const relativeTime = futureDate ? timeRemainingString(intl, date, this.state.now, timeGiven) : timeAgoString(intl, date, this.state.now, year, timeGiven);
 
     return (
       <time dateTime={timestamp} title={intl.formatDate(date, dateFormatOptions)}>
diff --git a/app/serializers/rest/account_serializer.rb b/app/serializers/rest/account_serializer.rb
index fd361a34c..0db1916b0 100644
--- a/app/serializers/rest/account_serializer.rb
+++ b/app/serializers/rest/account_serializer.rb
@@ -55,4 +55,8 @@ class REST::AccountSerializer < ActiveModel::Serializer
   def moved_and_not_nested?
     object.moved? && object.moved_to_account.moved_to_account_id.nil?
   end
+
+  def last_status_at
+    object.last_status_at&.to_date&.iso8601
+  end
 end
diff --git a/app/views/directories/index.html.haml b/app/views/directories/index.html.haml
index 6bf2ec81e..333a257e1 100644
--- a/app/views/directories/index.html.haml
+++ b/app/views/directories/index.html.haml
@@ -47,7 +47,7 @@
             %small= t('accounts.followers', count: account.followers_count).downcase
           .accounts-table__count
             - if account.last_status_at.present?
-              %time.time-ago{ datetime: account.last_status_at.iso8601, title: l(account.last_status_at) }= l account.last_status_at
+              %time.time-ago{ datetime: account.last_status_at.to_date.iso8601, title: l(account.last_status_at.to_date) }= l account.last_status_at.to_date
             - else
               = t('accounts.never_active')
 
diff --git a/app/views/relationships/_account.html.haml b/app/views/relationships/_account.html.haml
index 6c22deb51..af5a4aaf7 100644
--- a/app/views/relationships/_account.html.haml
+++ b/app/views/relationships/_account.html.haml
@@ -14,7 +14,7 @@
             %small= t('accounts.followers', count: account.followers_count).downcase
           %td.accounts-table__count
             - if account.last_status_at.present?
-              %time.time-ago{ datetime: account.last_status_at.iso8601, title: l(account.last_status_at) }= l account.last_status_at
+              %time.time-ago{ datetime: account.last_status_at.to_date.iso8601, title: l(account.last_status_at.to_date) }= l account.last_status_at
             - else
               \-
             %small= t('accounts.last_active')