Interpret a UUID
Back
Your input: fe919728-de00-8d07-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:fe919728-de00-8d07-87ea-5ce32bd83b97
URI: uuid:fe919728-de00-8d07-87ea-5ce32bd83b97
Microsoft GUID syntax: {FE919728-DE00-8D07-87EA-5CE32BD83B97}
C++ struct syntax: { 0xfe919728, 0xde00, 0x8d07, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.338379859855539171869445075918923512727
As OID (Microsoft): 1.2.840.113556.1.8000.2554.65169.38696.56832.36103.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.18343608959035804935.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.4270954280.3724578055.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.65169.38696.56832.36103.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0xfe919728de00d0707ea5ce32bd83b97]
Custom data block1 (32 bit): [0xfe919728]
Custom data block2 (16 bit): [0xde00]
Custom data block3 (12 bit): [0xd07]
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: [0xfe91] 0b1111111010010001
Milliseconds: [0x97] 592 (deviation -2ms..2ms)
Seconds: [0x28] 40
Minute of day: [0x00de] 222 (03:41)
Day of year: [0x07d] 125 (Day=5, Month=5)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-05-05 03:41:40'592 (deviation -2ms..2ms)