-24 :20-01-2038
-23 :20-02-2038
-22 :20-03-2038
-21 :20-04-2038
-20 :20-05-2038
-19 :20-06-2038
-18 :20-07-2038
-17 :20-08-2038
-16 :20-09-2038
-15 :20-10-2038
-14 :20-11-2038
-13 :20-12-2038
-12 :20-01-2039
-11 :20-02-2039
-10 :20-03-2039
-9 :20-04-2039
-8 :20-05-2039
-7 :20-06-2039
-6 :20-07-2039
-5 :20-08-2039
-4 :20-09-2039
-3 :20-10-2039
-2 :20-11-2039
-1 :20-12-2039
0 :20-01-2040
1 :20-02-2040
2 :20-03-2040
3 :20-04-2040
4 :20-05-2040
5 :20-06-2040
6 :20-07-2040
7 :20-08-2040
8 :20-09-2040
9 :20-10-2040
10 :20-11-2040
11 :20-12-2040
12 :20-01-2041
13 :20-02-2041
14 :20-03-2041
15 :20-04-2041
16 :20-05-2041
17 :20-06-2041
18 :20-07-2041
19 :20-08-2041
20 :20-09-2041
21 :20-10-2041
22 :20-11-2041
23 :20-12-2041
24 :20-01-2042

Testing adodb_date and adodb_mktime. version=0.35 PHP=7.4.33

adodb: 2026-08-15 23:47:47
php  : 2026-08-16 00:47:47
error for %Y %m %x %X, strftime=2026 08 08/16/26 00:47:47, adodb=2026 08 08/15/26 23:47:47
error for %A %d %B %Y, strftime=Sunday 16 August 2026, adodb=Saturday 15 August 2026
error for %H %M S, strftime=00 47 S, adodb=23 47 S

Testing gregorian <=> julian conversion

-12219379200 -12219292800 15 Oct 1582, Fri=Fri
4 Oct 1582, Thu=Thu

Testing overflow

Testing 2-digit => 4-digit year conversion

Err 2-digit 1940
Err 2-digit 1950

Testing date formating

7:08:11 am AM 08 Sat July 7 7 07 07 08 8 Saturday 0 07 Jul 7 +0100 RFC2822 Sat, 08 Jul 1978 07:08:11 +0100 11 31 268726091 6 78 1978 188 3600 2003 Error date(): 268726091
  "date +01 1978-07-08 07:08:11 am AM 08 Sat July 7 7 07 07 08 8 Saturday 0 07 Jul 7 +0100 RFC2822 Sat, 08 Jul 1978 07:08:11 +0100 11 31 268726091 6 78 1978 188 3600 2003" (date len=167)
  "date +01 1978-07-08 06:08:11 am AM 08 Sat July 6 6 06 06 08 8 Saturday 0 07 Jul 7 +0000 RFC2822 Sat, 08 Jul 1978 06:08:11 +0000 11 31 268726091 6 78 1978 188 0 2003" (adodb_date len=164)

7:51:24 am AM 17 Sat June 7 7 07 07 51 17 Saturday 0 06 Jun 6 +0100 RFC2822 Sat, 17 Jun 1978 07:51:24 +0100 24 30 266914284 6 78 1978 167 3600 2003 Error date(): 266914284
  "date +01 1978-06-17 07:51:24 am AM 17 Sat June 7 7 07 07 51 17 Saturday 0 06 Jun 6 +0100 RFC2822 Sat, 17 Jun 1978 07:51:24 +0100 24 30 266914284 6 78 1978 167 3600 2003" (date len=168)
  "date +01 1978-06-17 06:51:24 am AM 17 Sat June 6 6 06 06 51 17 Saturday 0 06 Jun 6 +0000 RFC2822 Sat, 17 Jun 1978 06:51:24 +0000 24 30 266914284 6 78 1978 167 0 2003" (adodb_date len=165)

Error getdate() 266914284
Array ( [seconds] => 24 [minutes] => 51 [hours] => 7 [mday] => 17 [wday] => 6 [mon] => 6 [year] => 1978 [yday] => 167 [weekday] => Saturday [month] => June [0] => 266914284 )
Array ( [seconds] => 24 [minutes] => 51 [hours] => 6 [mday] => 17 [wday] => 6 [mon] => 6 [year] => 1978 [yday] => 167 [weekday] => Saturday [month] => June [0] => 266914284 )

6:27:04 am AM 17 Thu June 6 6 06 06 27 17 Thursday 1 06 Jun 6 +0100 RFC2822 Thu, 17 Jun 1976 06:27:04 +0100 04 30 203837224 4 76 1976 168 3600 2003 Error date(): 203837224

  "date +01 1976-06-17 06:27:04 am AM 17 Thu June 6 6 06 06 27 17 Thursday 1 06 Jun 6 +0100 RFC2822 Thu, 17 Jun 1976 06:27:04 +0100 04 30 203837224 4 76 1976 168 3600 2003" (date len=168)
  "date +01 1976-06-17 05:27:04 am AM 17 Thu June 5 5 05 05 27 17 Thursday 1 06 Jun 6 +0000 RFC2822 Thu, 17 Jun 1976 05:27:04 +0000 04 30 203837224 4 76 1976 168 0 2003" (adodb_date len=165)

2:18:55 am AM 23 Fri August 2 2 02 02 18 23 Friday 0 08 Aug 8 +0100 RFC2822 Fri, 23 Aug 1974 02:18:55 +0100 55 31 146452735 5 74 1974 234 3600 2003 Error date(): 146452735
  "date +01 1974-08-23 02:18:55 am AM 23 Fri August 2 2 02 02 18 23 Friday 0 08 Aug 8 +0100 RFC2822 Fri, 23 Aug 1974 02:18:55 +0100 55 31 146452735 5 74 1974 234 3600 2003" (date len=168)
  "date +01 1974-08-23 01:18:55 am AM 23 Fri August 1 1 01 01 18 23 Friday 0 08 Aug 8 +0000 RFC2822 Fri, 23 Aug 1974 01:18:55 +0000 55 31 146452735 5 74 1974 234 0 2003" (adodb_date len=165)

Error getdate() 146452735
Array ( [seconds] => 55 [minutes] => 18 [hours] => 2 [mday] => 23 [wday] => 5 [mon] => 8 [year] => 1974 [yday] => 234 [weekday] => Friday [month] => August [0] => 146452735 )
Array ( [seconds] => 55 [minutes] => 18 [hours] => 1 [mday] => 23 [wday] => 5 [mon] => 8 [year] => 1974 [yday] => 234 [weekday] => Friday [month] => August [0] => 146452735 )

5:09:35 pm PM 23 Sun July 3 15 03 15 09 23 Sunday 0 07 Jul 7 +0100 RFC2822 Sun, 23 Jul 1978 15:09:35 +0100 35 31 270050975 0 78 1978 203 3600 2003 Error date(): 270050975

  "date +01 1978-07-23 15:09:35 pm PM 23 Sun July 3 15 03 15 09 23 Sunday 0 07 Jul 7 +0100 RFC2822 Sun, 23 Jul 1978 15:09:35 +0100 35 31 270050975 0 78 1978 203 3600 2003" (date len=167)
  "date +01 1978-07-23 14:09:35 pm PM 23 Sun July 2 14 02 14 09 23 Sunday 0 07 Jul 7 +0000 RFC2822 Sun, 23 Jul 1978 14:09:35 +0000 35 31 270050975 0 78 1978 203 0 2003" (adodb_date len=164)

Error getdate() 270050975
Array ( [seconds] => 35 [minutes] => 9 [hours] => 15 [mday] => 23 [wday] => 0 [mon] => 7 [year] => 1978 [yday] => 203 [weekday] => Sunday [month] => July [0] => 270050975 )
Array ( [seconds] => 35 [minutes] => 9 [hours] => 14 [mday] => 23 [wday] => 0 [mon] => 7 [year] => 1978 [yday] => 203 [weekday] => Sunday [month] => July [0] => 270050975 )

20:33:36 pm PM 20 Tue June 8 20 08 20 33 20 Tuesday 0 06 Jun 6 +0100 RFC2822 Tue, 20 Jun 1978 20:33:36 +0100 36 30 267219216 2 78 1978 170 3600 2003 Error date(): 267219216

  "date +01 1978-06-20 20:33:36 pm PM 20 Tue June 8 20 08 20 33 20 Tuesday 0 06 Jun 6 +0100 RFC2822 Tue, 20 Jun 1978 20:33:36 +0100 36 30 267219216 2 78 1978 170 3600 2003" (date len=168)
  "date +01 1978-06-20 19:33:36 pm PM 20 Tue June 7 19 07 19 33 20 Tuesday 0 06 Jun 6 +0000 RFC2822 Tue, 20 Jun 1978 19:33:36 +0000 36 30 267219216 2 78 1978 170 0 2003" (adodb_date len=165)

20:12:00 pm PM 29 Sat May 8 20 08 20 12 29 Saturday 1 05 May 5 +0100 RFC2822 Sat, 29 May 1976 20:12:00 +0100 00 31 202245120 6 76 1976 149 3600 2003 Error date(): 202245120
  "date +01 1976-05-29 20:12:00 pm PM 29 Sat May 8 20 08 20 12 29 Saturday 1 05 May 5 +0100 RFC2822 Sat, 29 May 1976 20:12:00 +0100 00 31 202245120 6 76 1976 149 3600 2003" (date len=168)
  "date +01 1976-05-29 19:12:00 pm PM 29 Sat May 7 19 07 19 12 29 Saturday 1 05 May 5 +0000 RFC2822 Sat, 29 May 1976 19:12:00 +0000 00 31 202245120 6 76 1976 149 0 2003" (adodb_date len=165)

Error getdate() 202245120
Array ( [seconds] => 0 [minutes] => 12 [hours] => 20 [mday] => 29 [wday] => 6 [mon] => 5 [year] => 1976 [yday] => 149 [weekday] => Saturday [month] => May [0] => 202245120 )
Array ( [seconds] => 0 [minutes] => 12 [hours] => 19 [mday] => 29 [wday] => 6 [mon] => 5 [year] => 1976 [yday] => 149 [weekday] => Saturday [month] => May [0] => 202245120 )

3:43:19 pm PM 25 Sun September 1 13 01 13 43 25 Sunday 0 09 Sep 9 +0100 RFC2822 Sun, 25 Sep 1977 13:43:19 +0100 19 30 244039399 0 77 1977 267 3600 2003 Error date(): 244039399

  "date +01 1977-09-25 13:43:19 pm PM 25 Sun September 1 13 01 13 43 25 Sunday 0 09 Sep 9 +0100 RFC2822 Sun, 25 Sep 1977 13:43:19 +0100 19 30 244039399 0 77 1977 267 3600 2003" (date len=172)
  "date +01 1977-09-25 12:43:19 pm PM 25 Sun September 12 12 12 12 43 25 Sunday 0 09 Sep 9 +0000 RFC2822 Sun, 25 Sep 1977 12:43:19 +0000 19 30 244039399 0 77 1977 267 0 2003" (adodb_date len=170)

Error getdate() 244039399
Array ( [seconds] => 19 [minutes] => 43 [hours] => 13 [mday] => 25 [wday] => 0 [mon] => 9 [year] => 1977 [yday] => 267 [weekday] => Sunday [month] => September [0] => 244039399 )
Array ( [seconds] => 19 [minutes] => 43 [hours] => 12 [mday] => 25 [wday] => 0 [mon] => 9 [year] => 1977 [yday] => 267 [weekday] => Sunday [month] => September [0] => 244039399 )

1:49:24 am AM 20 Sat July 11 11 11 11 49 20 Saturday 0 07 Jul 7 +0100 RFC2822 Sat, 20 Jul 1974 11:49:24 +0100 24 31 143549364 6 74 1974 200 3600 2003 Error date(): 143549364

  "date +01 1974-07-20 11:49:24 am AM 20 Sat July 11 11 11 11 49 20 Saturday 0 07 Jul 7 +0100 RFC2822 Sat, 20 Jul 1974 11:49:24 +0100 24 31 143549364 6 74 1974 200 3600 2003" (date len=170)
  "date +01 1974-07-20 10:49:24 am AM 20 Sat July 10 10 10 10 49 20 Saturday 0 07 Jul 7 +0000 RFC2822 Sat, 20 Jul 1974 10:49:24 +0000 24 31 143549364 6 74 1974 200 0 2003" (adodb_date len=167)

Error getdate() 143549364
Array ( [seconds] => 24 [minutes] => 49 [hours] => 11 [mday] => 20 [wday] => 6 [mon] => 7 [year] => 1974 [yday] => 200 [weekday] => Saturday [month] => July [0] => 143549364 )
Array ( [seconds] => 24 [minutes] => 49 [hours] => 10 [mday] => 20 [wday] => 6 [mon] => 7 [year] => 1974 [yday] => 200 [weekday] => Saturday [month] => July [0] => 143549364 )

2:22:51 pm PM 17 Wed August 12 12 12 12 22 17 Wednesday 0 08 Aug 8 +0100 RFC2822 Wed, 17 Aug 1977 12:22:51 +0100 51 31 240664971 3 77 1977 228 3600 2003 Error date(): 240664971

  "date +01 1977-08-17 12:22:51 pm PM 17 Wed August 12 12 12 12 22 17 Wednesday 0 08 Aug 8 +0100 RFC2822 Wed, 17 Aug 1977 12:22:51 +0100 51 31 240664971 3 77 1977 228 3600 2003" (date len=173)
  "date +01 1977-08-17 11:22:51 am AM 17 Wed August 11 11 11 11 22 17 Wednesday 0 08 Aug 8 +0000 RFC2822 Wed, 17 Aug 1977 11:22:51 +0000 51 31 240664971 3 77 1977 228 0 2003" (adodb_date len=170)

Error getdate() 240664971
Array ( [seconds] => 51 [minutes] => 22 [hours] => 12 [mday] => 17 [wday] => 3 [mon] => 8 [year] => 1977 [yday] => 228 [weekday] => Wednesday [month] => August [0] => 240664971 )
Array ( [seconds] => 51 [minutes] => 22 [hours] => 11 [mday] => 17 [wday] => 3 [mon] => 8 [year] => 1977 [yday] => 228 [weekday] => Wednesday [month] => August [0] => 240664971 )

3:19:51 am AM 23 Sun May 3 3 03 03 19 23 Sunday 1 05 May 5 +0100 RFC2822 Sun, 23 May 1976 03:19:51 +0100 51 31 201665991 0 76 1976 143 3600 2003 Error date(): 201665991

  "date +01 1976-05-23 03:19:51 am AM 23 Sun May 3 3 03 03 19 23 Sunday 1 05 May 5 +0100 RFC2822 Sun, 23 May 1976 03:19:51 +0100 51 31 201665991 0 76 1976 143 3600 2003" (date len=165)
  "date +01 1976-05-23 02:19:51 am AM 23 Sun May 2 2 02 02 19 23 Sunday 1 05 May 5 +0000 RFC2822 Sun, 23 May 1976 02:19:51 +0000 51 31 201665991 0 76 1976 143 0 2003" (adodb_date len=162)

Error getdate() 201665991
Array ( [seconds] => 51 [minutes] => 19 [hours] => 3 [mday] => 23 [wday] => 0 [mon] => 5 [year] => 1976 [yday] => 143 [weekday] => Sunday [month] => May [0] => 201665991 )
Array ( [seconds] => 51 [minutes] => 19 [hours] => 2 [mday] => 23 [wday] => 0 [mon] => 5 [year] => 1976 [yday] => 143 [weekday] => Sunday [month] => May [0] => 201665991 )

9:09:52 pm PM 31 Wed July 7 19 07 19 09 31 Wednesday 0 07 Jul 7 +0100 RFC2822 Wed, 31 Jul 1974 19:09:52 +0100 52 31 144526192 3 74 1974 211 3600 2003 Error date(): 144526192

  "date +01 1974-07-31 19:09:52 pm PM 31 Wed July 7 19 07 19 09 31 Wednesday 0 07 Jul 7 +0100 RFC2822 Wed, 31 Jul 1974 19:09:52 +0100 52 31 144526192 3 74 1974 211 3600 2003" (date len=170)
  "date +01 1974-07-31 18:09:52 pm PM 31 Wed July 6 18 06 18 09 31 Wednesday 0 07 Jul 7 +0000 RFC2822 Wed, 31 Jul 1974 18:09:52 +0000 52 31 144526192 3 74 1974 211 0 2003" (adodb_date len=167)

Error getdate() 144526192
Array ( [seconds] => 52 [minutes] => 9 [hours] => 19 [mday] => 31 [wday] => 3 [mon] => 7 [year] => 1974 [yday] => 211 [weekday] => Wednesday [month] => July [0] => 144526192 )
Array ( [seconds] => 52 [minutes] => 9 [hours] => 18 [mday] => 31 [wday] => 3 [mon] => 7 [year] => 1974 [yday] => 211 [weekday] => Wednesday [month] => July [0] => 144526192 )

7:20:14 pm PM 07 Tue June 5 17 05 17 20 7 Tuesday 0 06 Jun 6 +0100 RFC2822 Tue, 07 Jun 1977 17:20:14 +0100 14 30 234548414 2 77 1977 157 3600 2003 Error date(): 234548414

  "date +01 1977-06-07 17:20:14 pm PM 07 Tue June 5 17 05 17 20 7 Tuesday 0 06 Jun 6 +0100 RFC2822 Tue, 07 Jun 1977 17:20:14 +0100 14 30 234548414 2 77 1977 157 3600 2003" (date len=167)
  "date +01 1977-06-07 16:20:14 pm PM 07 Tue June 4 16 04 16 20 7 Tuesday 0 06 Jun 6 +0000 RFC2822 Tue, 07 Jun 1977 16:20:14 +0000 14 30 234548414 2 77 1977 157 0 2003" (adodb_date len=164)

Error getdate() 234548414
Array ( [seconds] => 14 [minutes] => 20 [hours] => 17 [mday] => 7 [wday] => 2 [mon] => 6 [year] => 1977 [yday] => 157 [weekday] => Tuesday [month] => June [0] => 234548414 )
Array ( [seconds] => 14 [minutes] => 20 [hours] => 16 [mday] => 7 [wday] => 2 [mon] => 6 [year] => 1977 [yday] => 157 [weekday] => Tuesday [month] => June [0] => 234548414 )

Testing random dates between 100 and 4000

Testing 1963 to 1975, or 378432000 seconds, offset=95891: 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 Tested 3947 dates

Failed :-(

Original: 2063-12-24
Converted: 24-Dec-2063