php date functions

formatted date .... 2023-09-24

formatted time .... 11:11:36 UTC

predefined date constants

date atom ......... 2023-09-24T11:25:36+00:00

date cookie ....... Sunday, 24-Sep-2023 11:25:36 UTC

date iso8601 ...... 2023-09-24T11:25:36+0000

date rfc822 ....... Sun, 24 Sep 23 11:25:36 +0000

date rfc850 ....... Sunday, 24-Sep-23 11:25:36 UTC

date rfc1036 ...... Sun, 24 Sep 23 11:25:36 +0000

date rfc1123 ...... Sun, 24 Sep 2023 11:25:36 +0000

date rfc2822 ...... Sun, 24 Sep 2023 11:25:36 +0000

date rfc3339 ...... 2023-09-24T11:25:36+00:00

date rss .......... Sun, 24 Sep 2023 11:25:36 +0000

date w3c .......... 2023-09-24T11:25:36+00:00