Definition of it's (or these are) early days in English:

it's (or these are) early days

phrase

British
informal
  • It is too soon to be sure how a situation will develop.

    ‘it's early days yet, but the centre has already doubled its workforce’
    ‘it's still early days for the initiative’
    • ‘He's settled in well as a striker behind Andy Whittaker and they have a good understanding with each other already, though it's early days yet.’
    • ‘I quite like this so far, although it's early days.’
    • ‘They have been seen drinking in an Irish pub together and they certainly looked very cosy but it's early days.’
    • ‘We haven't had too many problems yet because of this but it's early days.’
    • ‘Although it's early days, I'd have to agree with you.’
    • ‘That's why I'm mentioning the idea now - it's early days, but finally I have something to build on.’
    • ‘I'm not sure whether it's early days or not, but everything seems to be going ok.’
    • ‘At any rate, it's early days and I'm sure they'll improve as they get their sea legs.’
    • ‘I'm not sure I'm going to hit the target of 50,000 words but it's early days.’
    • ‘We have started that process but it's early days and we need to look at what is happening in other jurisdictions in Australia.’