Well, just explain it right away.
This is where Paga is Perwira Jaga:

http://kominfo.jatimprov.go.id/read/umum/34698
Selain itu juga ada, beberapa dari anggota tim pemeriksa itu bersama Perwira Jaga (Paga) melaksanakan pemeriksaan ruangan –ruangan atau kamar dan almari prajurit.

This is where DH is Dini Hari and PTH is Petang Hari:

https://www.tnial.mil.id/assets/majalah/PDF-20200129-162724....
9 Jan 2020 — dilaporkan dan diserahkan oleh Bintara Jaga Petang Hari (PTH) kepada Bintara Jaga Malam Hari (MH). Hal ini disaksikan Perwira Jaga, ...

Anything else to consider?
You may have to research further about the PTH timeframe. It could either be early evening or very late afternoon.

--------------------------------------------------
Note added at 12 hrs (2021-05-11 02:29:43 GMT)
--------------------------------------------------

This page provide info on DH period, but to access the entire document, you need to subscribe:

https://id.scribd.com/document/406567437/PUDD-KHAS-perbaikan...
...tentang Penyempurnaan Pokok-Pokok Organisasi dan Prosedur TNI AL. ... b) Jaga Dini Hari (DH) 04.00 - 08.00...

--------------------------------------------------
Note added at 12 hrs (2021-05-11 02:30:45 GMT)
--------------------------------------------------

Sorry, provides.