NHK General Television Startup/Closedown/Junction History (as of 2023)

Japanese: NHK総合テレビオープニング・クロージング・インターミッション履歴（2023年現在）
Credit to the owners of these videos.
I own nothing.
If you find anything inaccurate in the timestamps below, feel free to correct me.
0:00 Startup/Closedown 1953-1958 (only 3 still images)
0:05 Startup 1970-1984
0:50 Startup 1984-1995
1:35 Startup 1995-2001
2:23 Pre-Closedown 1970-1984
2:53 Closedown 1970-1984
3:53 Closedown January 16th to September 8th 1974 (due to the 1973 oil crisis)
4:17 Closedown 1970-1990 (when the station closed down past midnight)
Pre-Closedown 1990-1995
4:37 Closedown 1984-1995
5:38 Pre-Closedown 1995-2000
5:58 Pre-Closedown 2000-2003
6:28 Closedown 1995-2006 (from 2003 onwards, only in regions where digital broadcasting hasn't launched yet)
7:28 Startup 2001-2006 (from 2003 onwards, only on analog broadcasting)
8:48 Junction 2000-2006 (from 2003 onwards, only in regions where digital broadcasting hasn't launched yet)
10:08 Startup 2003-present (until 2006, only on digital broadcasting)
11:28 Pre-Closedown 2003-2005 (variant 1)
11:58 Pre-Closedown 2003-2005 (variant 2)
12:28 Pre-Closedown 2005-2006
12:58 Pre-Closedown 2006-2007
13:28 Pre-Closedown 2007-200?
13:58 Pre-Closedown 200?-2016
14:28 Pre-Closedown 2016-2018
14:58 Pre-Closedown 2018-2020
15:28 Closedown 2003-2020 (until 2006, only in regions that had launched digital broadcasting)
16:28 Pre-Closedown 2020-present
16:58 Closedown 2020-present
17:58 Junction 2003-2020 (until 2006, only in regions that had launched digital broadcasting)
19:18 Junction 2020-present