time picker in spfx
// Uncontrolled
<DateTimePicker label="DateTime Picker - 12h"
dateConvention={DateConvention.DateTime}
timeConvention={TimeConvention.Hours12} />
// Controlled
<DateTimePicker label="DateTime Picker - 24h"
dateConvention={DateConvention.DateTime}
timeConvention={TimeConvention.Hours24}
value={this.state.date}
onChange={this.handleChange} />