The short answer: most children adjust to a new nanny within one to four weeks, depending on age. The first week matters most — spend it together as a family, build a consistent goodbye routine, and brief your nanny on what actually comforts your child. Here's how to tell normal adjustment apart from a sign the fit isn't right.
What to expect, by age
A new nanny arrives, and your child cries and clings to you — this is an extremely common first day. It's easy to worry "is this really going to be okay?", but in most cases, children adjust with time. What matters most is how you handle the adjustment period itself.
- Under 1 year: Often adjusts fastest — usually 1–2 weeks
- 1–3 years: The hardest stretch. Separation anxiety peaks here, and it can take 2–4 weeks
- 4–6 years: Old enough to understand a simple explanation, which tends to smooth things out
- School age: Logic works well at this age, though a new sense of privacy can appear
Every child is different — treat these as rough guides, not a schedule to hit.
The first week: build the introduction together

Don't hand everything over on day one. Spend the first few days together — you, your nanny, and your child — so your child sees that this is someone you trust.
- Introduce her by name and play together, all three of you
- Let your child see you and the nanny talking and laughing
- A small gift from the nanny (a sticker, a small toy) helps break the ice
Build a goodbye ritual
How you leave matters as much as who's staying.
What not to do
- Sneaking out without saying goodbye — it backfires later as trust erodes
- Long, drawn-out goodbyes — these fuel anxiety instead of easing it
- Promising "just a little while" when you'll be gone much longer — young children don't track time the way adults do, so vague promises just confuse them
What works better
- A short, upbeat goodbye: "Bye bye, I'll be back this evening!"
- Frame the return in terms your child understands: "I'll be back after lunch"
- Always show your face and say "I'm home" the moment you're back — keeping that promise is what builds trust over time
"She cried for the first two weeks. We kept the same routine every single day, and by week three she was waving goodbye with a smile." — a family in the Sukhumvit area
Brief your nanny, too
How your nanny responds when your child cries matters just as much as how you say goodbye.
- Tell her your comfort threshold — when to call you, and when it's fine to handle it herself
- Share what calms your child down (a favorite toy, a song, a game)
- Point out the comfort object — the stuffed animal, the blanket — that matters most
- Talk through what she should do if your child won't stop crying, before it happens
Signs your child is adjusting well
- Laughing and playing together
- Telling you about their day with the nanny — "we did ___ today!"
- No more tears at goodbye
Signs worth paying attention to
- Crying hard, every day, for more than four weeks
- Appetite or sleep changes that don't improve
- Fear at just hearing the nanny's name
- Ongoing physical complaints like stomachaches or headaches
*(These are general signs to watch for, not a medical diagnosis — if you're ever concerned about your child's physical health, check with a pediatrician. If the emotional signs above continue past a month, it's worth reconsidering the fit, or reaching out to us.)*
In short
Give the adjustment period room to breathe — it rarely helps to rush it. What reassures a child most is seeing that you trust the person you've chosen. HelloNanny stays in touch after you hire, and if things aren't clicking, we'll help you find someone who's a better fit.
Frequently Asked Questions
Q. How long does it normally take for a child to get used to a new nanny?
Q. My child cries every time I leave. Is that normal?
Q. Should I stay home for the first few days?
Q. What if my child still hasn't warmed up after a month?
Related reading: 5 Checkpoints to Evaluate If Your Nanny Is Truly Trustworthy · How to Hire a Nanny or Maid in Bangkok


