No can do, you have to use the voucher according to your pre-booked date and the museum's opening hours on that day. It will expire and become invalid if you don't use it on the correct date.
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Can I use my pre-booked voucher on a different date if I can't make it on the day I booked?'%3e%3cpath%20id='Fill%201'%20fill-rule='evenodd'%20clip-rule='evenodd'%20d='M18.1293%201.24921C18.4214%200.950147%2018.8989%200.939%2019.2046%201.22409C19.5103%201.50931%2019.5323%201.98644%2019.2542%202.29843L10.8604%2011.2999C10.5705%2011.6107%2010.0837%2011.6278%209.77279%2011.3381C9.46204%2011.0483%209.44491%2010.5615%209.73477%2010.2507L18.1293%201.24921ZM18.4618%209.73615C18.4618%209.31124%2018.8064%208.96686%2019.2312%208.96686C19.6561%208.96686%2020.0007%209.31124%2020.0007%209.73615V16.1539C20.0007%2018.278%2018.2783%2020%2016.1538%2020H3.84391C1.7194%2020%20-0.00292969%2018.278%20-0.00292969%2016.1539V3.84614C-0.00292969%201.72202%201.7194%200%203.84391%200H11.1667C11.5917%200%2011.9361%200.34438%2011.9361%200.769289C11.9361%201.19405%2011.5917%201.53843%2011.1667%201.53843H3.84391C2.56922%201.53843%201.53577%202.57169%201.53577%203.84614V16.1539C1.53577%2017.4283%202.56922%2018.4614%203.84391%2018.4614H16.1538C17.4285%2018.4614%2018.4618%2017.4283%2018.4618%2016.1539V9.73615Z'%20fill='%23929292'/%3e%3c/g%3e%3c/g%3e%3c/svg%3e){kind=icon}
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