There is no time difference between Mbabane, eSwatini and Amsterdam, Netherlands currently.
Mbabane doesn't observe daylight saving time but Amsterdam does. DST in Amsterdam started on 31 March 2019 and will end on 27 October 2019. Once DST ends in Amsterdam the time difference between Mbabane and Amsterdam will be -1:0 hour.
Time conversion chart - Mbabane and other cities in Netherlands: