You're right TZif2
[root@SRV-MAIL ~]# hexdump -C /usr/share/zoneinfo/Europe/Moscow | head 00000000 54 5a 69 66 32 00 00 00 00 00 00 00 00 00 00 00 |TZif2...........| 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00000020 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 00 |................| 00000030 00 00 00 54 5a 69 66 32 00 00 00 00 00 00 00 00 |...TZif2........| 00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00000050 00 00 00 00 00 00 4e 00 00 00 0b 00 00 00 26 ff |......N.......&.| 00000060 ff ff ff 56 b6 c0 c7 ff ff ff ff 9b 5f 1e c7 ff |...V........_...| 00000070 ff ff ff 9d 3e f2 79 ff ff ff ff 9e 2a ee f9 ff |....>.y.....*...| 00000080 ff ff ff 9e f7 39 69 ff ff ff ff 9f 84 57 f9 ff |.....9i......W..| 00000090 ff ff ff a0 d8 6c e9 ff ff ff ff a1 00 39 80 ff |.....l.......9..| Unfortunately I couldn't find v1 format Best regards, Taras. -----Original Message----- From: users-requ...@sogo.nu <users-requ...@sogo.nu> On Behalf Of Emmanuel Dreyfus Sent: Tuesday, July 19, 2022 3:49 AM To: "????? ???????" <users@sogo.nu> Subject: Re: [SOGo] Wrong time in WEB SOGo (5.5.1) On Mon, Jul 18, 2022 at 07:34:57PM +0000, "????? ???????" wrote: > Here is the command output > [root@SRV-MAIL ~]# file /usr/share/zoneinfo/Europe/Moscow > /usr/share/zoneinfo/Europe/Moscow: timezone data [root@SRV-MAIL ~]# How to understand what version it is? v2 ? Your file(1) is not smart enough. Try hexdump -C /usr/share/zoneinfo/Europe/Moscow | head v1 format start by TZif or just a bunch of nul bytes v2 format start by TZif2 -- Emmanuel Dreyfus m...@netbsd.org -- users@sogo.nu https://inverse.ca/sogo/lists -- Это сообщение проверено на вирусы антивирусом Avast. https://www.avast.com/antivirus -- users@sogo.nu https://inverse.ca/sogo/lists