Interpret a UUID

Back

UUID: 
Your input:                      ab49d826-3605-8c01-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:ab49d826-3605-8c01-87ea-5ce32bd83b97
URI:                             uuid:ab49d826-3605-8c01-87ea-5ce32bd83b97
Microsoft GUID syntax:           {AB49D826-3605-8C01-87EA-5CE32BD83B97}
C++ struct syntax:               { 0xab49d826, 0x3605, 0x8c01, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.227681408977757117305288929852404546455
As OID (Microsoft):              1.2.840.113556.1.8000.2554.43849.55334.13829.35841.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.12342633912412244993.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.2873743398.906333185.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.43849.55334.13829.35841.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0xab49d8263605c0107ea5ce32bd83b97]
Custom data block1 (32 bit):     [0xab49d826]
Custom data block2 (16 bit):     [0x3605]
Custom data block3 (12 bit):     [0xc01]
Custom data block4 (14 bit):     [0x07ea]
Custom data block5 (48 bit):     [0x5ce32bd83b97]

Interpretation of HickelSOFT "SQL Server Sortable Custom UUID", Version 3

Random 16 bits:                  [0xab49] 0b1010101101001001
Milliseconds:                    [0xd8] 846 (deviation -2ms..2ms)
Seconds:                         [0x26] 38
Minute of day:                   [0x0536] 1334 (22:13)
Day of year:                     [0x01c] 28 (Day=28, Month=1)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7ea] 2026
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2026-01-28 22:13:38'846 (deviation -2ms..2ms)