add prase_dt function

app/formatters.py

@@ -22,7 +22,7 @@ from notifications_utils.recipients import InvalidPhoneError, validate_phone_num
 from notifications_utils.take import Take
 
 from app.utils.csv import get_user_preferred_timezone
-from app.utils.time import parse_naive_dt
+from app.utils.time import parse_naive_dt, parse_dt
 
 
 def apply_html_class(tags, html_file):
@@ -99,12 +99,10 @@ def format_datetime_table(date):
 
 
 def format_time_12h(date):
-    date = parse_naive_dt(date)
+    date = parse_dt(date)
 
     preferred_tz = pytz.timezone(get_user_preferred_timezone())
-    return (
-        date.replace(tzinfo=timezone.utc).astimezone(preferred_tz).strftime("%I:%M %p")
-    )
+    return date.astimezone(preferred_tz).strftime("%I:%M %p")
 
 
 def format_datetime_relative(date):

app/templates/views/check/preview.html

@@ -21,7 +21,7 @@
 
   {{ page_header('Preview') }}
   <div>
-    <p class="sms-message-scheduler">Scheduled: {{ scheduled_for if scheduled_for else 'Now'}}</p>
+    <p class="sms-message-scheduler">Scheduled: {{ scheduled_for |format_datetime_normal if scheduled_for else 'Now'}}</p>
     <p class="sms-message-file-name">File: {{original_file_name}}</p>
     <p class="sms-message-template">Template: {{template.name}}</p>
     <p class="sms-message-sender" >From: {{ template.sender }}</p>

app/templates/views/notifications/preview.html

@@ -43,7 +43,7 @@
     {{ page_header('Preview') }}
   {% endif %}
   <div>
-    <p class="sms-message-scheduler">Scheduled: {{ scheduled_for if scheduled_for else 'Now'}}</p>
+    <p class="sms-message-scheduler">Scheduled: {{ scheduled_for |format_datetime_normal if scheduled_for else 'Now'}}</p>
     <p class="sms-message-template">Template: {{template.name}}</p>
     <p class="sms-message-sender" >From: {{ template.sender }}</p>
     <p class="sms-message-sender" >To: {{ recipient }}</p>

app/utils/time.py

@@ -22,3 +22,8 @@ def is_less_than_days_ago(date_from_db, number_of_days):
 
 def parse_naive_dt(dt):
     return parser.parse(dt, ignoretz=True)
+
+
+def parse_dt(dt):
+    # Parse datetime without ignoring the timezone
+    return parser.parse(dt)