{"id":"vidhyamitra:city-day:thane:2164-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2164-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-01-31","date_display":"January 31, 2164 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2164,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511474.770833,"kali_year":5265,"ahargana":1923009.2708,"sun":{"sidereal_longitude":284.1226,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":11.2978,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.1752,"elapsed_within_tithi_degrees":3.1752},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.2978,"elapsed_within_degrees":11.2978},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.4204},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2164,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511474.770833,"ahargana":1923009.2708,"kali_year":5265,"ayanamsa_lahiri":26.1451,"grahas":{"sun":{"sidereal_longitude":284.5161519999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":14.073552000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-1.6539},"mars":{"sidereal_longitude":27.05135200000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":286.111952,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":301.01785199999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":328.5716520000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":235.88075200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":169.7147,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":349.7147,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2164,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511474.770833,"kali_year":5265,"ahargana":1923009.2708,"sun":{"sidereal_longitude":284.1226,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":11.2978,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.1752,"elapsed_within_tithi_degrees":3.1752},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.2978,"elapsed_within_degrees":11.2978},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.4204},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.654,"elongation":87.175},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.654,"opposition_distance":92.825}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:13","sunsetLocal":"18:30","solarNoonLocal":"12:52","dayLengthHours":11.279552000249346,"dayLengthDisplay":"11 Hours 16 Mins 46 Secs","nightLengthDisplay":"12 Hours 43 Mins 14 Secs","moonriseLocal":"12:26","moonsetLocal":"01:14","rahuKala":{"name":"Rāhu Kāla","start":"15:41","end":"17:05","startHours":15.680174475759706,"endHours":17.090118475790874,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:02","end":"11:27","startHours":10.040398475635033,"endHours":11.4503424756662,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:52","end":"14:16","startHours":12.860286475697368,"endHours":14.270230475728537,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:14","startHours":9.852405942297544,"endHours":10.228391008972523,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:59","startHours":7.690491808916419,"endHours":7.991279862256402,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:14","startHours":12.48430140902239,"endHours":13.236271542372346,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:28","startHours":5.716570208872783,"endHours":6.46854034222274,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:13","startHours":6.280547808885251,"endHours":7.220510475572696,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:30","startHours":14.74021180907226,"endHours":15.492181942422217,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.300062475822042,"endHours":18.70006247582204,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:58","startHours":18.50006247582204,"endHours":18.970043809165762,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.25006247582204,"endHours":20.00006247582204,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:14","startHours":24.48430140902239,"endHours":25.236271542372346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:13","end":"08:38","startHours":7.220510475572696,"endHours":8.630454475603864,"quality":"inauspicious"},{"name":"Udveg","start":"08:38","end":"10:02","startHours":8.630454475603864,"endHours":10.040398475635033,"quality":"inauspicious"},{"name":"Chala","start":"10:02","end":"11:27","startHours":10.040398475635033,"endHours":11.4503424756662,"quality":"neutral"},{"name":"Labha","start":"11:27","end":"12:52","startHours":11.4503424756662,"endHours":12.860286475697368,"quality":"auspicious"},{"name":"Amṛta","start":"12:52","end":"14:16","startHours":12.860286475697368,"endHours":14.270230475728537,"quality":"auspicious"},{"name":"Kāla","start":"14:16","end":"15:41","startHours":14.270230475728537,"endHours":15.680174475759706,"quality":"inauspicious"},{"name":"Śubha","start":"15:41","end":"17:05","startHours":15.680174475759706,"endHours":17.090118475790874,"quality":"auspicious"},{"name":"Roga","start":"17:05","end":"18:30","startHours":17.090118475790874,"endHours":18.50006247582204,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:30","end":"20:05","startHours":18.50006247582204,"endHours":20.090118475790874,"quality":"inauspicious"},{"name":"Śubha","start":"20:05","end":"21:41","startHours":20.090118475790874,"endHours":21.680174475759706,"quality":"auspicious"},{"name":"Roga","start":"21:41","end":"23:16","startHours":21.680174475759706,"endHours":23.270230475728535,"quality":"inauspicious"},{"name":"Udveg","start":"23:16","end":"00:52","startHours":23.270230475728535,"endHours":24.860286475697368,"quality":"inauspicious"},{"name":"Chala","start":"00:52","end":"02:27","startHours":24.860286475697368,"endHours":26.4503424756662,"quality":"neutral"},{"name":"Labha","start":"02:27","end":"04:02","startHours":26.4503424756662,"endHours":28.04039847563503,"quality":"auspicious"},{"name":"Amṛta","start":"04:02","end":"05:38","startHours":28.04039847563503,"endHours":29.630454475603862,"quality":"auspicious"},{"name":"Kāla","start":"05:38","end":"07:13","startHours":29.630454475603862,"endHours":31.220510475572695,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.220510475572696,"endHours":8.220510475572695,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.220510475572695,"endHours":9.220510475572695,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.220510475572695,"endHours":10.220510475572695,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.220510475572695,"endHours":11.220510475572695,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.220510475572695,"endHours":12.220510475572695,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.220510475572695,"endHours":13.220510475572695,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.220510475572695,"endHours":14.220510475572695,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.220510475572695,"endHours":15.220510475572695,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.220510475572695,"endHours":16.220510475572695,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.220510475572695,"endHours":17.220510475572695,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.220510475572695,"endHours":18.220510475572695,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.220510475572695,"endHours":19.220510475572695,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.220510475572695,"endHours":20.220510475572695,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.220510475572695,"endHours":21.220510475572695,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.220510475572695,"endHours":22.220510475572695,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.220510475572695,"endHours":23.220510475572695,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.220510475572695,"endHours":24.220510475572695,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.220510475572695,"endHours":25.220510475572695,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.220510475572695,"endHours":26.220510475572695,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.220510475572695,"endHours":27.220510475572695,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.220510475572695,"endHours":28.220510475572695,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.220510475572695,"endHours":29.220510475572695,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.220510475572695,"endHours":30.220510475572695,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.220510475572695,"endHours":31.220510475572695,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.560336687246274,"eotMinutes":-13.52958854184206,"ayanamsa":26.1451}},"calendars":{"vikram_samvat":2221,"vikram_samvatsara":"Īśvara","saka_samvat":2086,"saka_samvatsara":"Raktākṣī","bengali_samvat":1571,"malayalam_era":1340,"nanakshahi_year":695,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 2221 Īśvara · Śaka 2086 Raktākṣī"},"festivals":[{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 2164 CE · Thane, Maharashtra · Vidhyamitra","description":"January 31, 2164 CE for Thane, Maharashtra: Śukla Aṣṭamī, sūryodaya 07:13, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2164-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2164-01-31","sa":"https://sa.vidhyamitra.com/city/thane/2164-01-31","hi":"https://hi.vidhyamitra.com/city/thane/2164-01-31","x-default":"https://vidhyamitra.com/city/thane/2164-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:13:37.269Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T23:13:37.269Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:13:37.269Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}