Python strftime directive %f
Microsecond as a decimal number, zero-padded to 6 digits (000000–999999).
Example (from datetime(2026, 6, 18, 13, 45, 30))
000000
In Python
from datetime import datetime
dt = datetime(2026, 6, 18, 13, 45, 30)
dt.strftime("%f")
# => "000000"
Parsing with strptime
Parses 1–6 fractional digits, right-padded to microseconds. See strptime.dev for the parsing side.
Other Time directives
%HHour (24-hour clock), zero-padded (00–23).%-H24-hour hour with no leading zero. Platform-specific (Linux/%IHour (12-hour clock), zero-padded (01–12).%-I12-hour hour with no leading zero. Platform-specific (Linux/%pLocale’s equivalent of AM or PM.%MMinute, zero-padded (00–59).%-MMinute with no leading zero. Platform-specific (Linux/macOS)%SSecond, zero-padded (00–59; up to 61 historically for leap s%-SSecond with no leading zero. Platform-specific (Linux/macOS)