{"id":"vidhyamitra:city-day:surat:2001-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/2001-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-01-27","date_display":"January 27, 2001 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":2001,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451936.770833,"kali_year":5102,"ahargana":1863471.2708,"sun":{"sidereal_longitude":283.2806,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":313.0962,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.8156,"elapsed_within_tithi_degrees":5.8156},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.0962,"elapsed_within_degrees":6.4296},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.3769},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2001,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451936.770833,"ahargana":1863471.2708,"kali_year":5102,"ayanamsa_lahiri":23.868,"grahas":{"sun":{"sidereal_longitude":283.30014200000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":310.19994199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-3.3829},"mars":{"sidereal_longitude":205.930342,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":301.615642,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":37.29124200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":330.021742,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":30.106141999999977,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":84.3244,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":264.3244,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"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":2001,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451936.770833,"kali_year":5102,"ahargana":1863471.2708,"sun":{"sidereal_longitude":283.2806,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":313.0962,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.8156,"elapsed_within_tithi_degrees":5.8156},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.0962,"elapsed_within_degrees":6.4296},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.3769},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.383,"elongation":29.816},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.383,"opposition_distance":150.184}},"eclipse_window_40days":[{"offset_days":-17,"type":"lunar","occurs":true,"moon_latitude":0.182,"opposition_distance":1.705}]},"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"tier2":{"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"sunriseLocal":"07:17","sunsetLocal":"18:25","solarNoonLocal":"12:51","dayLengthHours":11.135070080584534,"dayLengthDisplay":"11 Hours 08 Mins 06 Secs","nightLengthDisplay":"12 Hours 51 Mins 54 Secs","moonriseLocal":"08:52","moonsetLocal":"20:26","rahuKala":{"name":"Rāhu Kāla","start":"10:04","end":"11:28","startHours":10.073572571635184,"endHours":11.46545633170825,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:15","end":"15:38","startHours":14.249223851854385,"endHours":15.64110761192745,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:17","end":"08:41","startHours":7.289805051489051,"endHours":8.681688811562118,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:16","startHours":9.887988070292108,"endHours":10.25915707297826,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:45","end":"08:03","startHours":7.75376630484674,"endHours":8.05070150699566,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:14","startHours":12.486171089095166,"endHours":13.22850909446747,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:33","startHours":5.805129040744446,"endHours":6.547467046116749,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:17","startHours":6.361882544773673,"endHours":7.289805051489051,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:27","startHours":14.713185105212073,"endHours":15.455523110584375,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.224875132073585,"endHours":18.624875132073583,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:53","startHours":18.424875132073584,"endHours":18.888836385431272,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.174875132073584,"endHours":19.924875132073584,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:14","startHours":24.486171089095166,"endHours":25.22850909446747,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:17","end":"08:41","startHours":7.289805051489051,"endHours":8.681688811562118,"quality":"inauspicious"},{"name":"Śubha","start":"08:41","end":"10:04","startHours":8.681688811562118,"endHours":10.073572571635184,"quality":"auspicious"},{"name":"Roga","start":"10:04","end":"11:28","startHours":10.073572571635184,"endHours":11.46545633170825,"quality":"inauspicious"},{"name":"Udveg","start":"11:28","end":"12:51","startHours":11.46545633170825,"endHours":12.857340091781317,"quality":"inauspicious"},{"name":"Chala","start":"12:51","end":"14:15","startHours":12.857340091781317,"endHours":14.249223851854385,"quality":"neutral"},{"name":"Labha","start":"14:15","end":"15:38","startHours":14.249223851854385,"endHours":15.64110761192745,"quality":"auspicious"},{"name":"Amṛta","start":"15:38","end":"17:02","startHours":15.64110761192745,"endHours":17.032991372000517,"quality":"auspicious"},{"name":"Kāla","start":"17:02","end":"18:25","startHours":17.032991372000517,"endHours":18.424875132073584,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:25","end":"20:02","startHours":18.424875132073584,"endHours":20.032991372000517,"quality":"auspicious"},{"name":"Amṛta","start":"20:02","end":"21:38","startHours":20.032991372000517,"endHours":21.641107611927453,"quality":"auspicious"},{"name":"Kāla","start":"21:38","end":"23:15","startHours":21.641107611927453,"endHours":23.249223851854385,"quality":"inauspicious"},{"name":"Śubha","start":"23:15","end":"00:51","startHours":23.249223851854385,"endHours":24.857340091781317,"quality":"auspicious"},{"name":"Roga","start":"00:51","end":"02:28","startHours":24.857340091781317,"endHours":26.46545633170825,"quality":"inauspicious"},{"name":"Udveg","start":"02:28","end":"04:04","startHours":26.46545633170825,"endHours":28.073572571635182,"quality":"inauspicious"},{"name":"Chala","start":"04:04","end":"05:41","startHours":28.073572571635182,"endHours":29.68168881156212,"quality":"neutral"},{"name":"Labha","start":"05:41","end":"07:17","startHours":29.68168881156212,"endHours":31.28980505148905,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.289805051489051,"endHours":8.28980505148905,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.28980505148905,"endHours":9.28980505148905,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.28980505148905,"endHours":10.28980505148905,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.28980505148905,"endHours":11.28980505148905,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.28980505148905,"endHours":12.28980505148905,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.28980505148905,"endHours":13.28980505148905,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.28980505148905,"endHours":14.28980505148905,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.28980505148905,"endHours":15.28980505148905,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.28980505148905,"endHours":16.28980505148905,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.28980505148905,"endHours":17.28980505148905,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.28980505148905,"endHours":18.28980505148905,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.28980505148905,"endHours":19.28980505148905,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.28980505148905,"endHours":20.28980505148905,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.28980505148905,"endHours":21.28980505148905,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.28980505148905,"endHours":22.28980505148905,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.28980505148905,"endHours":23.28980505148905,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.28980505148905,"endHours":24.28980505148905,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.28980505148905,"endHours":25.28980505148905,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.28980505148905,"endHours":26.28980505148905,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.28980505148905,"endHours":27.28980505148905,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.28980505148905,"endHours":28.28980505148905,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.28980505148905,"endHours":29.28980505148905,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.28980505148905,"endHours":30.28980505148905,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.28980505148905,"endHours":31.28980505148905,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.477937168210246,"eotMinutes":-12.76480550687915,"ayanamsa":23.868}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"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 Tṛtīyā · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"surat"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 27, 2001 CE · Surat, Gujarat · Vidhyamitra","description":"January 27, 2001 CE for Surat, Gujarat: Śukla Tṛtīyā, sūryodaya 07:17, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/2001-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/2001-01-27","sa":"https://sa.vidhyamitra.com/city/surat/2001-01-27","hi":"https://hi.vidhyamitra.com/city/surat/2001-01-27","x-default":"https://vidhyamitra.com/city/surat/2001-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:00:14.602Z","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":"2026-06-03T06:00:14.602Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:00:14.602Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}