[Galaxy Note 10.1 (2014 Edition) Themes and Apps] CiDev:
This is for who"s on XXUBMJ6 firmware

download here:

https://www.dropbox.com/s/zke597pq8feig1d/SystemUI_center_Clock_XXUBMJ6.zip

who want's to do this:

Decompile you're SystemUI.apk

go to res/layout-sw800dp-xhdpi/status_bar.XML

open with Notepad++

and overwrite with this code

<?xml version="1.0" encoding="utf-8"?>
<com.android.systemui.statusbar.phone.PhoneStatusBarView android:orientation="vertical" android:id="@id/status_bar" android:background="@drawable/status_bar_background" android:focusable="true" android:fitsSystemWindows="true" android:descendantFocusability="afterDescendants"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:systemui="http://schemas.android.com/apk/res/com.android.systemui">
<ImageView android:id="@id/black_bg" android:background="#ff000000" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="fill_parent" />
<ImageView android:id="@id/notification_lights_out" android:paddingLeft="4.0dip" android:paddingBottom="2.0dip" android:visibility="gone" android:layout_width="@dimen/status_bar_icon_size" android:layout_height="fill_parent" android:src="@drawable/ic_sysbar_lights_out_dot_small" android:scaleType="center" />
<LinearLayout android:orientation="horizontal" android:id="@id/status_bar_contents" android:paddingLeft="1.0dip" android:paddingRight="1.0dip" android:layout_width="fill_parent" android:layout_height="fill_parent">
<LinearLayout android:orientation="horizontal" android:id="@id/notification_icon_area" android:layout_width="0.0dip" android:layout_height="fill_parent" android:layout_weight="1.0" android:alpha="@dimen/notification_icon_area_alpha">
<TextView android:textSize="15.0dip" android:textColor="#ffffffff" android:gravity="center_vertical" android:id="@id/carrierLabel" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />
<ImageView android:id="@id/operatorLogoIcon" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="fill_parent" android:src="@drawable/tw_stat_notify_operator_logo" />
<ImageView android:id="@id/operatorLogoIcon_org" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="fill_parent" android:src="@drawable/tw_stat_notify_operator_logo_org" />
<com.android.systemui.statusbar.StatusBarIconView android:id="@id/moreIcon" android:visibility="gone" android:layout_width="@dimen/status_bar_icon_size" android:layout_height="fill_parent" android:src="@drawable/stat_notify_more" />
<com.android.systemui.statusbar.phone.IconMerger android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/notificationIcons" android:paddingBottom="@dimen/notification_icon_bottom_margin" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_alignParentLeft="true" />
</LinearLayout>
<LinearLayout android:gravity="center" android:orientation="horizontal" android:id="@id/clock" android:layout_width="wrap_content" android:layout_height="fill_parent">
<com.android.systemui.statusbar.policy.Clock android:textSize="@dimen/status_bar_clock_text_size" android:textColor="#ffffffff" android:gravity="center" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" systemui:ampmSmall="true" />
</LinearLayout>
<LinearLayout android:gravity="right|center" android:orientation="horizontal" android:id="@id/system_icon_area" android:layout_width="0.0dip" android:layout_height="fill_parent" android:layout_weight="1.0" android:alpha="@dimen/system_icon_area_alpha">
<LinearLayout android:gravity="right|center" android:orientation="horizontal" android:id="@id/statusIcons" android:layout_width="wrap_content" android:layout_height="fill_parent" />
<LinearLayout android:gravity="right|center" android:orientation="horizontal" android:id="@id/signal_battery_cluster" android:paddingLeft="2.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent">
<include android:id="@id/signal_cluster" android:layout_width="wrap_content" android:layout_height="wrap_content" layout="@layout/signal_cluster_view" />
<TextView android:textSize="@dimen/status_bar_battery_text_size" android:textColor="#ffffffff" android:layout_gravity="center" android:id="@id/battery_text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/status_bar_network_name_separator" />
<ImageView android:gravity="center" android:id="@id/battery" android:paddingLeft="2.0dip" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/ticker" android:paddingLeft="4.0dip" android:animationCache="false" android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageSwitcher android:id="@id/tickerIcon" android:layout_width="@dimen/status_bar_icon_size" android:layout_height="@dimen/status_bar_icon_size" android:layout_marginRight="4.0dip">
<com.android.systemui.statusbar.AnimatedImageView android:layout_width="@dimen/status_bar_icon_size" android:layout_height="@dimen/status_bar_icon_size" android:scaleType="centerInside" />
<com.android.systemui.statusbar.AnimatedImageView android:layout_width="@dimen/status_bar_icon_size" android:layout_height="@dimen/status_bar_icon_size" android:scaleType="centerInside" />
</ImageSwitcher>
<com.android.systemui.statusbar.phone.TickerView android:id="@id/tickerText" android:paddingRight="10.0dip" android:layout_width="0.0dip" android:layout_height="wrap_content" android:layout_weight="1.0">
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:textColor="#ffffffff" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" />
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:textColor="#ffffffff" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" />
</com.android.systemui.statusbar.phone.TickerView>
</LinearLayout>
</com.android.systemui.statusbar.phone.PhoneStatusBarView>

Will try to add date also soon

Enjoy...