The following references were used in decoding / encoding timestamp values.
GPS
Leap Seconds
Leap Seconds 2
Microsoft DateTime
Microsoft Time
Microsoft 1904 Timestamp
Microsoft OLE Automation Date (OADate)
MSDOS wFatDate wFatTime DosDate
Microsoft FILETIME
Microsoft Active Directory/LDAP Timestamp
bplist / Mac Absolute / Cocoa / iOS (CFAbsolute - deprecated / historical)
bplist / Mac Absolute / Cocoa / ios( NSDate - Current basis)
GSM Timestamps
GSM Timestamps 2
Symantec AV Timestamp
VMware Snapshot Timestamp
TikTok and Twitter Timestamps
Discord Timestamps
Discord epoch is 1-1-2015 or 1420070400000
KSUID Timestamp
KSUID Timestamp 2
Mastodon Social Timestamp
Metasploit Payload UUID Format
Metasploit Payload UUID Format 2
DHCPv6 DUID
Microsoft .NET DateTime Struct (not .NET Framework)
GMail Boundary Timestamp
GMail Message ID Timestamp
Nokia Timestamp
Last updated 3 years ago