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Everyday Services

Ordered by how often each part is needed, with postdoc and academic jobs first, then travel, job hunting and everyday utilities. The postdoc group is for people who have just finished a PhD: Science Careers and Nature Careers cover journals and faculty posts in English, jobs.ac.uk and EURAXESS are the main European academic boards, Academic Positions leans towards science and engineering, and the China Postdoc portal is the official route for enrolment and postdoc fund applications in China. Read a target group's recent output before applying — a cover letter that engages with their specific work lands far better than a list of credentials. The travel group keeps ticketing, hotels and maps apart: confirm availability and change rules on the official booking platform before you shop for hotels, not after, or you will usually waste a round. The utilities group covers parcel tracking and quick everyday lookups. The local jobs group combines general boards with CHSI for degree and enrolment verification — treat \"urgent high-salary\" listings with particular care. This section is the most region-bound on the site: coverage, payment methods and available cities all change, so check each platform's current pages.

Perpetual Calendar icon
Perpetual Calendar
Gregorian–lunar month-by-month calendar with the 24 solar terms, holidays and workday flags, traditional almanac notes and auspicious-hour tables, plus Gregorian/lunar conversion
World Time Difference icon
World Time Difference
Live side-by-side clocks for any two cities with automatic daylight-saving handling, cross-time-zone conversion and a world-city clock wall
ID Card Lookup icon
ID Card Lookup
Enter an 18-digit mainland resident ID number and read out the registered region, birth date, gender, exact age, constellation and zodiac animal, with the GB 11643 MOD 11-2 check digit re-derived - colour-coded card diagram, parsed entirely in your browser, the number is never stored or sent
Birth Tools icon
Birth Tools
Enter the birth date and time once at the top and one screen computes everything together: a full birthday read-out (lunar date, solar terms, animal, constellation, exact and nominal age, life number, year-pillar sound element), a rule-accurate BaZi four-pillar chart (LiChun year boundary, solar-term months, optional 23:00 day switch) with hidden stems, sound elements, ten gods and the five-element tally, plus animal-to-years lookup, benming years and zodiac matching — live as you type, entirely in your browser
Loan Calculator icon
Loan Calculator
Four loan tools on one page: a loan calculator (equal-installment / equal-principal payments with a month-by-month schedule you can export to CSV), a mortgage calculator (commercial / housing-fund / combined loans), a mortgage prepayment estimator (pay off in full, shorten the term or lower the payment, see interest saved), and an installment-fee calculator with the real APR by IRR — all computed locally in your browser
Car Insurance Calculator icon
Car Insurance Calculator
Estimate auto insurance premiums for seven coverage lines — compulsory traffic liability, third-party liability, vehicle damage (theft, fire, glass and the deductible waiver have been folded into it since the 2020 reform), occupant liability, scratch, out-of-list medical expenses and vehicle and vessel tax — priced with the current compulsory-insurance float (five region tiers A-E) and industry baseline rates, instantly and entirely in your browser
Litigation Fee Calculator icon
Litigation Fee Calculator
Court filing fees per China's Measures on Payment of Litigation Fees: tiered quick formulas for property and other cases, plus execution application fees, preservation fees, payment orders, public summons and setting-aside applications, with a rate lookup table
Income Tax & Social Insurance Calculator icon
Income Tax & Social Insurance Calculator
China's individual income tax by the cumulative-withholding method (this-period and annual tax, take-home pay, average rate, seven-bracket rate table, special additional deductions) plus a five-insurances-one-fund breakdown of employee/employer contributions, net pay before tax and total employer cost — all computed locally in your browser
Unit Converter icon
Unit Converter
14 categories and 212 units — length, area, volume, mass, time, speed, temperature, pressure, power, energy, data (GB vs GiB), fuel economy, angle and number bases; converts as you type, factors taken from their definitions