Python strftime directive %S
Second, zero-padded (00–59; up to 61 historically for leap seconds).
Example (from datetime(2026, 6, 18, 13, 45, 30))
30
In Python
from datetime import datetime
dt = datetime(2026, 6, 18, 13, 45, 30)
dt.strftime("%S")
# => "30"Parsing with strptime
Parses a 1- or 2-digit second. 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 with no leading zero. Platform-specific (Linux/macOS)%fMicrosecond as a decimal number, zero-padded to 6 digits (00