diff --git a/ipaclient/install/client.py b/ipaclient/install/client.py
index 6a723356c..0488108a7 100644
--- a/ipaclient/install/client.py
+++ b/ipaclient/install/client.py
@@ -2470,18 +2470,21 @@ def sync_time(options, fstore, statestore):
     # disable other time&date services first
     timeconf.force_chrony(statestore)
 
-    logger.info('Synchronizing time')
-
-    if not options.ntp_servers:
+    if not options.ntp_servers and not options.ntp_pool:
         ds = discovery.IPADiscovery()
         ntp_servers = ds.ipadns_search_srv(cli_domain, '_ntp._udp',
                                            None, break_on_first=False)
-    else:
-        ntp_servers = options.ntp_servers
+        if not ntp_servers and not options.unattended:
+            options.ntp_servers, options.ntp_pool = timeconf.get_time_source()
+        else:
+            options.ntp_servers = ntp_servers
+
+    logger.info('Synchronizing time')
 
     configured = False
-    if ntp_servers or options.ntp_pool:
-        configured = timeconf.configure_chrony(ntp_servers, options.ntp_pool,
+    if options.ntp_servers or options.ntp_pool:
+        configured = timeconf.configure_chrony(options.ntp_servers,
+                                               options.ntp_pool,
                                                fstore, statestore)
     else:
         logger.warning("No SRV records of NTP servers found and no NTP server "
diff --git a/ipaclient/install/timeconf.py b/ipaclient/install/timeconf.py
index 57ab50a3f..4afe5b32c 100644
--- a/ipaclient/install/timeconf.py
+++ b/ipaclient/install/timeconf.py
@@ -28,6 +28,7 @@ from ipapython import ipautil
 from ipaplatform.tasks import tasks
 from ipaplatform import services
 from ipaplatform.paths import paths
+from ipapython.ipautil import user_input
 
 logger = logging.getLogger(__name__)
 
@@ -39,6 +40,36 @@ def __backup_config(path, fstore=None):
         shutil.copy(path, "%s.ipasave" % (path))
 
 
+def get_time_source():
+    """
+    While in interactive installation user has to specify NTP server or pool
+    to be used in chrony configuration. This method asks user input on these
+    values in case that they were not specified before installation start.
+    """
+    ntp_servers = []
+    ntp_pool = ""
+
+    if ipautil.user_input("Do you want to configure chrony "
+                          "with NTP server or pool address?", False):
+        servers = user_input("Enter NTP source server addresses separated by "
+                             "comma, or press Enter to skip", allow_empty=True)
+        if servers:  # if user input is not '' (empty)
+            logger.debug("User provided NTP server(s):")
+            # cut possible multiple servers separated by comma into list
+            for server in servers.split(","):
+                # users tend to separate servers by ", " so strip() whitespaces
+                server = server.strip()
+                ntp_servers.append(server)
+                logger.debug("\t%s", server)
+
+        ntp_pool = user_input("Enter a NTP source pool address, "
+                              "or press Enter to skip", allow_empty=True)
+        if ntp_pool:  # if user input is not '' (empty)
+            logger.debug("User provided NTP pool:\n\t%s", ntp_pool)
+
+    return ntp_servers, ntp_pool
+
+
 def sync_chrony():
     """
     This method enables chronyd service on boot and restarts it to reload